Which of the following statements represents the distributive property? A) 9(x + 1) = 9x + 1
B) 9(x + 1) = 9x + 9
C) 9(x + 9) = 9x + 9
D) 9(x + 1) = x + 7

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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