Acylindrical hot tub, with a diameter of 12 ft and height of 6 ft, is partially filled with 500 ft3 of water. (a) what is the volume of the hot tub? round your answer to the nearest tenth. use π = 3.14 (b) how many more cubic feet of water can the hot tub hold? round your answer to the nearest tenth. use π = 3.14