This is given if your chart goes by 1 unit, thus it goes 3 units to the right, and 5 units down (which makes it negative) therefore point c is located at (3,-5)
The volume of a cylinder is base area times volume. Since we have our base area of 12 pi, and our height of 9, we have the are as 12* 9 = 108 pi inches cubed. Thus, the answer is D.
