Simplify the expression. (4n-7n^4-4n^2)-(5n-2n^2+5n^4)

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Tom drove 206 miles in 3.9 hours. estimate his average speed.