Use the expression 3-7p^2+11(4+n)3−7p 2 +11(4+n)3, minus, 7, p, squared, plus, 11, left parenthesis, 4, plus, n, right parenthesis to find an example of each kind of expression.

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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i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.