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Brainlist

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Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Predict which statements are true about the intervals of the continuous function. check all that apply

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )