The circumference of the great circle of a sphere is 24 pi .What is the volume of the sphere ?

Which expression is equivalent to sq-80

What number is 7 units left of -15?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?