How many cups would you have to stack to reach the top of your math teacher head?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68