If 6 out of 30 people over the age of 100 are male, how many are female

Factor the monomial completely 42a3b3

What expression is equivalent to 42x-56y

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.