The empty gas tank of a motor boat is to be filled. The tank is shaped like a rectangular prism with length 20cm , width 16cm , and height 14 cm . Suppose gas is pumped into the tank at a rate of 640cm (to the power of three) per minute. How many minutes does it take to fill the empty tank?

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet