PLZZZ HELPP +20 POINTS!!Length: 1 1/4 feet Width: 2 feet Height: 2 1/4 feet The lengths of the sides of a small cube are 1 over 2 foot each. Part A: What is the volume of the rectangular prism? Show all your work and label your final answer. Put answer as a mixed number if needed. (5 points) Part B: Using your answer from Part A, how many small cubes can be packed in the rectangular prism? Show all your work. (5 points)