Which shows a correct way to determine the volume of the right rectangular prism? A prism has a length of 9 centimeters, height of 1 centimeter, and width of 8 centimeters. 9 + 1 + 8 = 18 Centimeters cubed 2(9 + 1 + 8) = 36 Centimeters cubed 9(3) + 1 = 28 Centimeters cubed 9(8)(1) = 72 Centimeters cubed