A rectangular prism is made of 81 unit cubs. the prism is 9 unit cubes long. Choose TWO sets of numbers that would be width and height the rectangular prism.
"please tell me fast this is very important"

width:3 unit cubes
Height: 3 unit cubes

width:6 unit cubes
Height: 12 unit cubes

width:18 unit cubes
Height: 4 unit cubes

width: 24 unit cubes
Height: 3 unit cubes

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