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At a festival, stunt devils are launched in large catapults and air cannons. On one launch, the height of the stunt devil in feet above

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At a festival, stunt devils are launched in large catapults and air cannons. On one launch, the height of the stunt devil in feet above the ground after t seconds is modeled byy = -16t² + 60t +8.How long does it take the stunt devil to hit the ground?10.2 sec15 sec3.8 sec16 sec

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