What protects the earth from meteorites and the sun's rays? the jet stream wind the oceans the atmosphere

What is the rate of change in a objects position?

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth