Mathematics, 04.04.2020 16:06 rosaura15

Ricardo and Kim rowed their canoes from their base camp to a fishing camp. They towed a distance of x miles upstream on one river, (3x^2 - 9) miles downstream on another river, and (2x + 9) miles across a calm lake. Which expression is equivalent to the total distance, in miles, Ricardo and Kim rowed their canoes?

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Ricardo and Kim rowed their canoes from their base camp to a fishing camp. They towed a distance of...