What are the three operations that can be used to build complex regular expressions from simpler regular expressions?

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Answer 1

Concatenation, Alternation and Kleene Closure  are the three operations that can be used to build complex regular expressions from simpler regular expressions.

Concatenation is the linking or occurrence of several events in a way that results in a specific outcome or impact. Concatenation describes the combining of two or more objects into a single entity in the context of databases.Of all the regex operators, the alternation operator has the lowest precedence. By telling the regex engine to match either everything to the left of the vertical bar or everything to the right of the vertical bar, it makes this instruction.Kleene closure Including ε, but not limited to, the infinite set of all feasible strings of all feasible lengths It's indicated by  ∑*.

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Related Questions

- What does it mean if someone is an immigrant or immigrates?

Answers

Answer:

Someone that is from another/different country

Explanation:

An immigrant is someone that is from another country

Answer: the come from another country to seek new life

Explanation:

In the declaration of independence, what does jefferson mean when he says that the king has "refused his assent to laws … necessary for the public good"?.

Answers

In the declaration of independence, jefferson means the king has not allowed changes that would benefit the colonists when he says that the king has "refused his assent to laws … necessary for the public good.

The Declaration of Independence outlines the values that guide our nation and define who we are as Americans. The Declaration of Independence, unlike the other founding papers, is not legally enforceable, yet it is nonetheless influential.

In preparation for Independence Day, 24/7 Wall St. is examining the identities of the Declaration's 56 signatories. We compiled our list of references using websites like USHistory.org and Independence Hall Association, a non-profit organisation established in Philadelphia.

It is difficult to exaggerate the significance of the Declaration of Independence. It created a new country based on the First Principles of the rule of law, unalienable rights, limited government, the Social Compact, equality, and the right to change or abolish tyrannical government for the first time in the annals of human history.

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The complete question is ''In the Declaration of Independence, what does Jefferson mean when he says that the king has "refused his assent to laws necessary for

the public good"?

A The king knows what is best for the colonists

В.

The king is too busy to listen to the colonists

C. The king enjoys his absolute rule over the colonists,

D. The king has not allowed changes that would benefit the colonists.

Scientists have discovered that there are _____ the brains of children in the 3- to 15-year age range.

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Scientists have discovered that there are dramatic changes in local patterns within the brains of children in the 3- to 15-year age range.

The brain of an infant develops very rapidly and continues developing till adulthood. The early development of the brain lays a foundation for future learning, health and life success. The development of the brain in children depends on genetic factors, right nutrition and environment.

The amount of gray matter went downhill from about age 3 years. Neurons in this gray matter do not form permanent connections. A fibre network called corpus callosum, that connects the two hemispheres, indicates the level of activity in the brain.

Under the age of 6 years, the frontal lobe undergoes rapid growth. The frontal lobe is involved in planning and organizing the actions. However, after the age of age, the gray matter shifts to the temporal and parietal lobes which play a significant role in language skills. This ability falls off after the age of 12. Gray matter shifts to the front part of the brain after 12.

Given above are the dramatic changes in the development of the brain that scientists discovered in the children of age 3 to 15.

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A study examining the performance of numerous assets from the united states and around the world confirms that:_________

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Riskier assets with greater standard deviations saw better returns, according to a study that looked at the performance of a variety of assets from the United States and other countries.

The purposeful sale by a government of state-owned businesses (SOEs) or assets to private economic agents, as defined broadly as the political and economic policy of privatization, is presently précised around the globe. Since its introduction to a then-skeptical public by the Thatcher administration of Britain in the early 1980s,

The general public, which includes many economists, now seems to embrace privatization as a reasonable - frequently a core – a tool used by governments in more than a hundred nations for statecraft. One of the most common forms of essential components of the ongoing worldwide phenomena of the increasing use of markets to distribute resources.

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By using random assignment, researchers are able to control for ______________________________, which are other factors besides the independent variable that may influence research results.

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By using random assignment, researchers are able to control for confounding variables, which are other factors besides the independent variable that may influence research results.

What factors in research are confounding variables?A factor other than the one being researched that is linked to both the condition being studied (the dependent variable) and the factor being studied is known as a confounding variable (confounder) (independent variable). The effects of one variable on the disease under study may be distorted or concealed by the impacts of a confounding variable. You must take the effect of confounding variables into account to ensure the internal validity of your study. If you don't take them into consideration, you can overestimate or underestimate the causal relationship between your independent and dependent variables, or you might even discover a causal association when there isn't one.

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The dire predictions about the underfunded nature of social security, medicare, and state and local pensions could be wrong because?

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The dire predictions about the underfunded nature of social security, medicare, and state and local pensions could be wrong because taxable incomes may turn out to be higher than they are currently predicted to be.

In the United States, the Old-Age, Survivors, and Disability Insurance (OASDI) programme, which is operated by the Social Security Administration (SSA), a government agency, is referred to as "Social Security." Although Social Security retirement benefits are its most well-known feature, Social Security also provides income for injured employees and survivor benefits. An insurance programme is Social Security. Employees contribute to the programme, usually through payroll deductions made where they work. When they submit their federal tax returns, independent contractors must pay Social Security taxes. Early retirement benefits are available to workers who have paid into the Social Security system for at least ten years starting at age 62.

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We sometimes fail to listen carefully because we are just waiting politely for the next pause so that we can have our turn to speak. this listening barrier is called:__________

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We sometimes fail to listen carefully because we are just waiting politely for the next pause so that we can have our turn to speak. This listening barrier is called: Psychological barriers.

Listening is a critical component of communication. However, it appears that the majority of us do not listen well.

Active listening is the process of being ready to listen, paying attention to the verbal and nonverbal cues being used, and then responding appropriately to demonstrate that you are paying attention to what is being said. This kind of listening shows that the listener and speaker are on the same page.

Everyone adds their own set of cultural, ethical, and personal values to the communication process. These are psychological barriers. Each of us has a perception of what is essential and what is proper. If other views conflict with our previous notions, we have a tendency to "tune out" speakers and miss their messages.

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The chief financial officer of gigabite company has asked you to recalculate the following accounts and report to him by week's end. what should be the amount of direct materials used?

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The amount of direct material used is same as that of overheads amount. Direct cloth/material is the physical gadgets constructed into a product.

For example, the direct materials for a baker consist of flour,sugar,and water.we can calculate it's amount by dividing overheads by estimated direct material costs.

The direct substances notion is used in price accounting, the place this fee is one after the other categorised in numerous types of economic analysis.

What is proportion of direct material price method?

Percentage on Direct Material Method

The direct fabric value is one of the most important factors for product cost. Under this method, the absorption charge is based totally on the direct cloth cost. To calculate this, divide the overheads by the estimated or authentic direct material costs.

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The problem-solving model consists of problem identification, solution design, solution evaluation and choice, and ___________.

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The problem-solving model consists of problem identification, solution design, solution evaluation and choice, and implementation

What is a model for issue solving?A practical set of abilities are incorporated into a methodical procedure by the problem-solving model.The concept integrates the application of statistical tools, such as control charts and process flow diagrams, with group problem-solving techniques, such as idea generation and consensus decision-making. What are the steps of problem -solving ?

There are five steps in the problem-solving model:

1. Describe the issue and your ultimate objective.

2. Create a plan: Talk about concepts and come up with potential answers to the issue?

3. Take action: Choose the best option available and attempt to fix the issue.

4. Examine: Did the remedy resolve the issue? Otherwise, why not? Review and revise your plan.

5. Adapt: Change existing plans or develop new ones. Attempt once more, then evaluate and adjust (if needed).

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What are the various elements of the excel interface? describe how they are used?

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Microsoft Excel, a 25-year-old spreadsheet program that is one of the most widely used productivity tools on computers, consists of eight basic elements. Spreadsheets are used to analyze large and small number sets.

Excel's user interface revolves around the ribbon, a bar of controls across the top of the application window. The ribbon consists of tabs that contain groups of controls, and the term is used to identify the location of tools. Note that the

keyboard shortcut Alt+I+N+A works in all versions of Excel. Select the required range name in the dialog box that appears and the formulas in the active worksheet will be updated accordingly.

The different components of MS Excel are File Menu, Quick Access Toolbar, Title Bar, Row Headers, Column Headers, Active Cell (the cell you put the cursor in), and Fill Handle (the active cell's plus icon for dragging items). , address bar, formula bar, worksheet tabs, status bar.

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Explain the behavior of the modulus operator. what value does it return? in your explanation, include descriptions of what results are produced for different combinations of signs

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The sign (%) stands for the modulus operator. The modulus operator function is used in computations when a function returns the remainder or signed remainder after dividing two integers. It is known as the integer remainder operator because it operates on integers.

Remainder and modulo operators behave differently when dealing with negative numbers. When using a remainder operator, the result's sign matches that of the dividend (numerator), but when using a modulo operator, the result's sign matches that of the divisor (denominator).

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Electrical distribution systems shutoff devices operate in a similar way to _____ decives used in industrial and commercial operations

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Electrical distribution systems shutoff devices operate in a similar way to  overcurrent decives used in industrial and commercial operations.

What are electrical distribution systems?

The generation, high-voltage transmission grid, and distribution systems are the three main parts of the electrical distribution system. The substation is often where the transition from electric transmission to electric distribution happens. Distribution substations frequently have monitoring and remote control capabilities so that switchgear and auxiliary equipment can be operated remotely. In a power distribution system, there are several controls, safeguards, transformations, and regulations. Secondary distribution refers to the transmission of energy at the voltage it will be consumed. The primary distribution system is made up of the network of pipes and circuits that delivers electricity to the secondary distribution system at a higher voltage. Distribution transformers are what connect the primary and secondary distribution systems.

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During batting practice, a teacher/coach tells a student to level out the bat during the swing. This represents what type of feedback?

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When the teacher/coach tells a student to level out the bat during the swing, this type of feedback is augmented feedback.

Augmented feedback is a type of feedback received from an external or supplement source. It is also called extrinsic feedback. There are two types of augmented feedback which is knowledge of performance and knowledge of results. Knowledge of performance gives feedback about the quality of the movement performance. Knowledge of results gives feedback about the outcome of the movement.

In the case where teacher/coach provide feedback about leveling out the bat during swing, he/she is providing knowledge of performance.

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A major twentieth-century theorist on bureaucracy who defined the bureaucratic personality is ______.

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A major twentieth-century bureaucratic theorist who described the bureaucratic personality is Robert Merton.

Robert Merton is widely regarded as a founding father of modern sociology and a significant contributor to the subdiscipline of criminology.

He is known primarily for his theories of deviance, for coining the terms "self-fulfilling prophecy," "unintended consequences," "role strain," "reference group," and "role model," and for establishing sociology of science. He is regarded as one of America's most prominent social scientists. According to Merton's strain theory, societal structures can put people under pressure to commit crimes. Merton proposed a five-tiered paradigm for adapting sociological elements to cultural goals and organizational means of achieving those goals.

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social media has benefited humanity in the twenty first century argue for or against

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Answer:

honestly it's a toss up. there's good and bad that has come from "benefiting" yes computers are not the size of a refrigerator. and along with SM it's easier to get in touch with people tho more cyber bullying as happened in the past 12 years than the 1993

Which type of rights are outcomes of a specific transaction between particular individuals?

Answers

Contractual Rights type of rights are outcomes of a specific transaction between particular individuals.

A contractual right is a set of rights guaranteed when people enter into a valid contract with each other. Contractual rights are typically related to business matters involving the provision of products or services.

However, it can also affect other types of objects. that contract. Being private is a contractual right because it is a construction. The debtor is obliged to express his/her intention in the contract. I just want to do it in favor of the other party.

Contracted Services means the provision of time and effort by the Contractor and not the provision of specific goods. This term applies only to services provided by individuals and businesses that are independent contractors.

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According to the social pragmatics theory of language learning, what do children use to understand the topic of conversation or the name of an item?

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Children utilize to comprehend the CONTEXT of speech or the topic of a discussion, according to the social pragmatics theory of language learning.

According to the social pragmatic theory of language learning, infants do not require any "innate restrictions" to acquire new information or words; rather, they rely on a variety of contextual signals, such as eye contact, gestures, body language, etc., to aid in their word learning.

Other choices

The nativist idea is supported by language acuisition device, which contends that without this natural capacity, children are unable to understand language.

The social pragmatic theory is not closely related to the conventional technique of reinforcement.

Modeling is a part of social learning that uses imitation as a strategy to help kids acquire new "behaviours."

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The ________ sense appears to moderate the relationship between product experience and judgment confidence.

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The touch sense appears to moderate the relationship between product experience and judgment confidence.

What is a touch sense?

In psychology, this refers to the ability to perceive an object or other stimulus that comes into contact with the surface of the skin such as either by pressure, stroking etc. The touch sense are also called the tactile sense.

It mostly confirms the commonsense notion that we're more sure about what we perceive when we can touch it and, which is the point at which stimuli is strong enough to make a conscious impact in his or her awareness. in conclusion, it appears to moderate the relationship between product experience and judgment confidence.

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Can someone please help me with this?

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Climate change as a global issue is important.

Gun license and the leading violence due to it on a national level affects me

Racial discrimination on regional level.

 The most important issue of our day is climate change, and this is a pivotal period. The effects of climate change are unparalleled in magnitude, ranging from changing weather patterns that endanger food production to rising sea levels that increase the likelihood of catastrophic flooding.

   A current problem in regard to human rights is gun violence. The right to life, which is the most basic human right, is in danger due to gun violence. Gun violence is an everyday tragedy that has an impact on people's lives all around the world. Every day, gun violence claims the lives of more than 500 people.Gun violence can harm anyone, but in some circumstances it disproportionately affects women, communities of color, and other vulnerable groups in society.

   Racial discrimination has no set definition. It has been defined as any distinction, conduct, or action that is based on a person's race, whether intentional or not, that has the effect of placing burdens on a person or group that are not placed on others or that restricts or denies access to benefits that are available to other members of society.

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A parent is advised to restrict contact or collision sports participation for their child. an example of a sport in which this child could participate is:_________

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A parent is advised to restrict contact or collision sports participation for their child. an example of a sport in which this child could participate is the track, Track is a noncontact sport.

Athletic competitions centred on running, jumping, and throwing techniques are a part of the sport of track and field. The track sport is played on a running track, with a grass field used for some of the jumping events and throwing competitions. Athletics, which encompasses road running, cross-country running, and racewalking, is the general term for the sport that includes track and field. The competitor in track who completes the foot racing events—which include sprints, middle- and long-distance contests, racewalking, and hurdling—in the shortest amount of time wins. Those who jump or throw the farthest or highest are the winners in the track competitions.

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If a food has 20 grams of fat and 300 calories per serving, what is the percentage of calories from fat in this food?

Answers

The food has 6.66% calories from fat.

Given, here the 20grams of fat and 300 calories per serving.

We can calculate percentage of fat by dividing amount of fat(in grams) to no.of calories per serving of the food multiply by 100.

%of fat = 20/300 ×100

% of fat =6.66%

Scientific data shows that the range between 20-60grams or 10-30% of fat is considered under good fat content.

Fats are made up of fatty acids Or lipids, and are the triglycerides molecules.Fat is the primary energy storage type in the body and is used as a energy source by the body. A moderate amount of fat is required in the diet for optimal health since it performs numerous other vital activities in the body.

Our blood’s cholesterol level increases when you consume saturated fat. The majority of the time, cholesterol causes artery plaque. Three percent less of your risk of developing heart disease results from a one percent decrease in saturated fat consumption. Limit your daily intake of saturated fats to 15 grams or less.

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In order for phospholipids to form bilayers spontaneously in an aqueous environment, the ph should be:________

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In order for phospholipids to form bilayers spontaneously in an aqueous environment, the ph should be approximately neutral.

To spontaneously create bilayers of phospholipids in an aquatic environment, the ph must be close to neutral.

Phospholipid bilayers have a significant role in cell membrane structure. The lipid bilayer acts as a barrier to keep chemicals and ions within and outside of the cell. However, one of the most important roles of the cell membrane is the capacity to selectively permit the passage of particular molecules into and out of cells.

The lipid bilayer is a two-layer polar membrane made of lipid molecules. These membranes are flat sheets that enclose every cell. The building blocks of cell membranes are phospholipids, which spontaneously assemble into organized lipid bilayers in pH 7 water solution.

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The critical and comparative study of cultural effects on human psychology is called:___________

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The critical and comparative study of cultural effects on human psychology is called Cross-cultural Psychology.

What is cross-cultural psychology?

A population's shared attitudes, actions, customs, and values are only a few examples of the many characteristics referred to as cultural features.

Cross-cultural psychology is the discipline that investigates how cultural variations impact people's behavior.

Despite the fact that many aspects of the human mind and behavior are universal, cultural differences can frequently result in unanticipated disparities in how people think, feel, and act.

Examples are societies that encourage uniqueness and autonomy for each individual.

It's possible that some cultures place a higher priority on group collaboration and collectivism.

These differences could have an effect on many aspects of life.

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How can it be helpful to have your students create the class expectations for behavior?

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With constant expectations, college students realize what is expected of them all through the faculty day. This allows them to feel extra assured, engaged, and connected to the school community. It also makes it easier for instructors to understand tremendous behaviors, and to accurately hassle behaviors to maintain small problems small.

With regular expectations, college students understand what's predicted of them during the school day. This allows them to experience extra assured, engaged, and related to the college community. It additionally makes it less difficult for instructors to recognize fine behaviors, and to correct hassle behaviors to keep small troubles small.

Expectation placing is the method of formulating and speaking what's predicted. it's miles a simple leadership technique and management duty that gives humans the statistics required to carry out properly.

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A ramp was constructed to make access to springfield's public library easier if angle b is 165 what is the measure of angle a:_________

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A ramp was constructed to make access to Springfield's public library easier if angle b is 165 what is the measure of angle a is 15°

The Springfield Armory, more officially referred to as the united states Armory and Arsenal at Springfield located inside the town of Springfield. The attitude of elevation is a perspective this is fashioned among the horizontal line and the line of sight. If the line of sight is upward from the horizontal line, then the angle fashioned is an angle of elevation.

The back bearing may be calculated by way of adding or subtracting 180° from the forward bearing. you are traveling on another route, your bearing is measured clockwise from North. study the diagram under in case you stroll from O in the route proven by using the crimson arrow, you are on foot on a bearing of 110 °.

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Refer to the who are they? feature that describes the pcaob. why is there a requirement that no more than two of the board mem- bers are cpas?

Answers

All applicable auditing and related professional practice standards must be followed by registered public accounting firms and any associated individuals, according to PCAOB regulations.

The PCAOB is required to establish or adopt, or both, auditing, quality control, ethics, independence, and other standards relating to the preparation of audit reports for public companies under Section 103 of the Sarbanes-Oxley Act of 2002.

SEC oversight of the PCAOB includes approving the Board's spending plan, policies, and procedures. The PCAOB employs around 800 people.

Public accounting firms must register with the PCAOB in accordance with the Sarbanes-Oxley Act in order to prepare or issue an audit report for a U.S. public company or broker-dealer or to have a significant role in those audits.

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________ is the bias that arises when actual respondents differ from those who refuse to participate in ways that affect the survey results

Answers

Response bias is that the bias that arises once actual respondents disagree from people who refuse to participate in ways in which have an effect on the survey results.

What is Response bias?Response bias is a term that encompasses a wide range of participant tendencies to give incorrect or inaccurate answers to queries. In research involving participant self-report, such as organized interviews or surveys, these biases are pervasive.For instance, they could experience pressure to provide socially acceptable responses.It frequently happens when participants are asked to self-report their behavior, but it can also be brought on by a poorly designed survey.

To lessen response bias:

Ask neutrally worded questionsMake sure none of your response choices are misleading.Ensure the survey is anonymous.Take remove your brand so that responders won't know how you want them to respond.

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Imagine a pasture in a small town with grazing sheep owned by several farmers. every farmer profits by increasing the number of sheep he has on the pasture. however, the pasture can hold only so many sheep before it runs out of grass for the sheep to eat. if that happens, the sheep would starve. if the sheep starve, it would hurt the town's economy. what government action could support the town's economy and ensure that there are not too many sheep on the pasture?

Answers

In the scenario where sheep rely on the pasture to feed, the government should tax the use of the common pasture to limit the number of sheep on the pasture.

A tax is a percentage of the taxpayer’s earning that is collected and remitted to the government.

The logical behind imposing a tax on the common pasture is when farmers would be required to pay tax for keeping the sheep on the pasture, it will limit the number of sheep on the pasture. This in turn will ensure good supply of food for the sheep and they would not starve to death and damaging the economy.

Such a tax will still allow farmers to increase their sheep but in a responsible manner. Without the tax farmers can keep on increasing the sheep beyond the pasture holding capacity. The tax will also help the economy of the town and may allow them to buy more pasture.

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Answer: B tax the common pasture  

Explanation:

Give Me 6 Examples of law

Answers

civil law

criminal law

administrative law

international law

environmental law

constitutional law

Describe
harmony in variety with an example
of your society.

Answers

Answer:

i dont understand what is this

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The Smith family has three vehicles. Jeff fills up his vehicle for x dollars a gallon. Valerie also fills up her vehicle for x dollars agallon. Megan fills up her vehicle for y dollars a gallon. The expression below represents the total cost of the Smith familyfilling up all of their vehicles with gasoline.ay + bxWhat is the best interpretation of bx in the above expression?OA. The total amount it costs Valerie to fill up her vehicle.OB. The total amount it costs Jeff and Megan to fill up their vehicles.OC. The total amount it costs Megan to fill up her vehicle.OD. The total amount it costs Jeff and Valerie to fill up their vehicles. GRAPH NUMBERS ON A NUMBER LINEIdentify the point on the number line that matches each number.30. - 0.531.2.532.-3A.B D+-3 -2 -10E1 2 3 What is similar for all organisms on Earth?A. They all produce their own food.B. They are all multicellular.C. They all reproduceD. They are all single-celled. About 365 kg paper can be made from a singletree. A ream (500 sheets) of paper weighs about2.3 kg.(a) How many sheets of paper can a single treebe made into? 3, How do paragraphs 4and 5 contribute tothe development of ideas in the text?) A. It describes the qualities a personneeds to have to build their self-image.O B. It suggests that readers take time toevaluate their self-image.O C. It provides the negative effects of achanging self-image.O D. It shows how people are unaware oftheir self-image. Please with this on the image Based on the passage of the odyssey, one can conclude that the ancient Greeks greatly valued? Why can you rewrite 14^0 as 1? An organelle in the cytosol of the cell that attaches to mrna and reads the instructions is called a:_________ Question 19When analyzing data with a standard deviation curve, 1 o above and below the norm includes what% of the data collected?O 99%O 68%O 95% Write a composition in French describing how a feast is celebrated in your village / Hometown. Which of the following is NOT a computer hardware? Question 2 options:Monitor InternetKeyboard Mouse 20 PTS! The ocean is a large, lively environment. What ABIOTIC factor provides energy to the rest of the ocean ecosystem?sea urchinsplanktonsharksthe sun Help help i need help asp please i do not understand it see photo please Match each characteristic with the appropriate Cold War superpower. Why is the Declaration of Independence still important Within six months of effectively using the antibiotic methicillin to treat s. Aureus infections in a community, all new infections were caused by mrsa; a multidrug resistant s. Aureus. How can this result best be explained?. A welder gets paid $12 per hour for the first 40 hours worked, and then $20 for each overtimehour. The welder wants to make at least $600 a week. Which inequality can be used to findthe number of overtime hours, x, that the welder needs to work each week? why did it take so long for America to industralize Simplify the expression by first substituting values from the table of exact values and then simplifying the resulting expression. Answer exactly. 4 sin 30 =