Which is a valid food chain

= [70 + (-30)] + [2 + (-9)] + [0.3 + (-0.10] Which system of equations best represents the situation below?A farmer grew his own tomatoes (a), eggplants (b), and potatoes (c). He decided to package his vegetables and price them as follows:2 tomatoes, 1 eggplant, 3 potatoes for $103 tomatoes, 2 eggplants, 4 potatoes for $144 tomatoes, 2 eggplants, 6 potatoes for $20 Brian invests 6300 into his bank account.He receives 4.9% per year compound interest.How much will Brian have after 2 years?Give your answer to the nearest penny where appropriate. Which of these is an example of a literal equation?A. 12 = 9 + 3xB. 6 + 30 = 62C. ax - by = kD. 3x - 4y A population of beetles are growing according to a linear growth model. The initial population (week 0) is P0=6, and the population after 8 weeks is P8=86 Find an explicit formula for the beetle population after n weeks.After how many weeks will the beetle population reach 236? Mrs. Jackson gives the table below to her students.In order for the function to be linear, what must a be andwhy?456y2623a = 22 because the rate of change is 1.a = 20 because the rate of change is 3.a = 22 because the rate of change is -1.a = 20 because the rate of change is -3.a 2x + 3=-7?what is this even mean In the Screwtape letters how do they try to corrupt the patient what a neat and well labelled diagram of nitrogen cycle in nature An AP news service story, printed in the Gainesville Sun on May 20, 1979, states the following with regard to debris from Skylab striking someone on the ground: "The odds are 1 in 150 that a piece of Skylab will hit someone. But 4 billion people ... live in the zone in which pieces could fall. So any one persons chances of being struck are one in 150 times 4 billionor one in 600 billion." Do you see any inaccuracies in this reasoning? Do the points shown represent additive inverses? Explain why or why not Myles is helping with a campaign to raise money for an addition to his town library, and he has to give a speech at the town meeting. He needs to convince people that they should support the campaign. Read one sentence from his speech:The people in my neighborhood use the library for a lot of different reasons.How should he rewrite this sentence to demonstrate his knowledge of the topic and support his argument?A.The people in my neighborhood would like to have a bigger library for many purposes.B.The people in my neighborhood think you should support the campaign to increase library resources.C.The people in my neighborhood use the library for a lot of different reasons, and the librarian is very helpful to them.D.More people in my neighborhood would be able to use the library if there were more space available and therefore more resources. What is the solution to the equation - 4 = 6?A. x = 5B. x = 1C. x = 20D. x = 10Tysvm if you answer! What are four body systems that are involved in getting oxygen to your cells? What is 2/3 divided 1/6 ? The total population of students was 380. Based on the data, what is the best approximation for the total number of students who have a cell phone plan with company Y? 1Select the correct answer from each drop-down menu.Small frogs living in a marshy region feed on small insects in the region. The relationship between the frogs and insects is arelationship. A particular species of lizards is introduced into the marshy land. These lizards also start feeding onthese insects. The introduction of lizards may lead toResetNext*r Barium is a very reactive metal in the presence of oxygen and water, thus its density cannot be measured by water displacement. Instead, mesitylene (C9H12, density = 0.86370 g/mL (at 20 o C)) is used. 77.240 g of Ba is placed into a flask, and mesitylene is added so that together the total volume is 100.00 mL. The mass of the mesitylene and Ba together is 148.792 g. What is the density (in g/mL) of the Ba at 20 o C? the kidneys in human beings are a part of the system for The population P of a culture of Pseudomonas aeruginosa bacteria is given by P = 1718t2 + 82,000t + 10,000, where t is the time in hours since the culture was started. Determine the time(s) at which the population was 600,000. Round to the nearest hour.