the radius of the base of a cylinder is 10 centimeters, and it’s height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of cones base is 5 centimeters, and it’s height is 10 centimeters

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

If the average of x,y and z is 15 what is their sum