Please hurry and help me no links I will report and get you banned

Simply 8x squared + 5(7x squared- x) - 2x =

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.