8. A plane must begin its descent when it is 80 feet above the ground and 250 feet from the airport. At what angle should his descent be if he wants to fly in a straight line from the point of descent to the ground?

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A: Consider the statement  The general equation for a vertical line is x = a.

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A: see 2nd step for complete answer.

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A: Since we are given with multiple number of questions and our guideline is solve first question only

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A: The line passes through (-3,-5) and parallel to y=4

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A: We compare y = −4x + 4/5 with y=mx+bSo, m= -4

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