For +5 points on the last quiz, email me a picture of your correct work and answer to the question below by 11:59 P.M., 1/6/2017. You may get assistance with this, but please don’t turn in a solution that you do not understand.

Ridge is building a snowman. He begins by rolling a ball of snow such that he forms a perfect sphere of snow with a radius which increases at constant rate of 0.5 cm/sec. At what rate is the volume of this sphere of snow increasing when the “snowball” is 30 cm in diameter?