Which values are the result of cubing a rational number

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

The tile along the edge of a triangular community pool needs to be replaced? ?