A shoe box in the shape of a right rectangular prism has a base that measures 7 inches by 12 inches and is 5 inches high. What is the volume of the shoe box, in cubic inches?

The volume of a rectangular prism is length × width × height. Multiply the dimensions: 7 × 12 × 5 = 420 cubic inches. Therefore, the volume is 420 cubic inches, choice A.

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