If y varies inversely as the square root of x, what is the constant of proportionality if y=12 when x=9?

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

For which pair of functions is (gof)(a)=|a|-2?