Kaci bought a birthday cake, like the one shown below, for her mother. A birthday cake image. First layer of cake is rectangle prism with sides a,c and length second layer is rectangle prism with sides c,d and length a. Note: Figure is not drawn to scale. If a = 5 inches, b = 5 inches, c = 9 inches, and d = 2 inches, what is the volume of the cake? A. 100 cubic inches B. 215 cubic inches C. 180 cubic inches D. 140 cubic inches