F(x) = x^2 - 5x+8, g(x) = x^2-4 Find g(x)-f(x)

Answer Choices:
-5x-4
5x+12
5x-12
-5x-12

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Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

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