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Please solve 4) A 17 ft ladder is leaning against a wall. The bottom of the ladder is Sliding away from the wall at a

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4) A 17 ft ladder is leaning against a wall. The bottom of the ladder is Sliding away from the wall at a rate of 3 in/ sec. At the moment that the bottom of the ladder is 8 ft away from the wall: a) How fast is the top of the ladder sliding down the wall? - dy b ) At what rate is the angle between the ladder and the ground changing

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