Drainage tubing comes in large rolls. at your hardware store, you cut tubing to the lengths the customers want. you also provide customers with the volume of their tubing because they need to fill tubing with gravel as they install it. the tubing’s inside radius is 2 inches. which of the following is an expression for the volume of l feet of drainage tubing, in cubic feet? a) 0.09l b) 3.14l c) 6.28l d) 12.56l e) 150.72l show your answer. you