If k(x)=2x, g(x) = x-3 and h(x) = x2- 9, find each function.
9. (g h) (x)
10. (h(g)) (10)
11. (k (h)) (5)

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The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

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