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Find the distance of the line.
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2 Find the distance between: (-2, 3) and (-7, -7)
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Find the distance of the line.

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Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

What ia the sum if the first 7 terms of the geometric series