3more than 5 times the number of dogs in algebraic expression

Simplify. show your work. ( 6x-2 ) ^2 ( 0.5x )^4

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.

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265