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I need help with this​

I need help with this​-example-1

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Answer:

The correct answer is B: 3 cubic feet.

Explanation:

If you want to find the volume of a rectangular prism, you need to know the length, width, and height. The first rectangular prism is a cube with a length of 3 feet, so the volume of the figure would be
3^(3)=27 ft^(3). The second rectangular prism has a length of 3 feet, a width of 2 feet, and a height of 4 feet, so the volume of the prism would be 3 × 2 × 4 =
24 ft^(3). Now that you know the 2 volumes, you need to subtract the volumes in order to find the difference, which is 27 - 24 = 3
ft^(3).

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