If the radius of a circle is multiplied by scale factor k > 0, then its area is
multiplied by

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 point has an coordinates of (2,0) ? a

What is the simplified form of square root of 400 to the 100th power ?