Find the number of 2 3/4 gallon cans which can be filled from a tank containing 90 3/4 gallons of oil?

Can some one me, i’ve been asking for so long

Which of the following expressions is equal to 2x^2+8

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.