How much being would you need to be on a skateboard to go on a loop D Loop on and on a ramp

Find the multiplicative inverse of 8-12i

Which of the following contains a variable?

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.