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The length of a rectangle is increasing at a rate of 7 cm/s and its width is increasing at a rate of 8 cm/s. When

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The length of a rectangle is increasing at a rate of 7 cm/s and its width is increasing at a rate of 8 cm/s. When the length is 9 cm and the width is 7 cm, how fast is the area of the rectangle increasing? cm 2 / s Need Help? Read It Watch It Master It

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