The equation for the volume of a cube is V=s^3, where V is volume and s is side length. Plug in and solve:
V=4.5^3
V=4.5*4.5*4.5
V=91.125ft^3
Hope this helps!!
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Given



from the figure, we can write

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Addition Property
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Added 4 on both sides to equate the solution
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I think once you do the math you'd get 2.22 celsius.
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