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The equation $y = -16t^2 + 28t + 144$ describes the height (in feet) of a ball tossed up in the air at $28$ feet per second from a height of $144$ feet from the ground. In how many seconds will the ball
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The equation $y = -16t^2 + 28t + 144$ describes the height (in feet) of a ball tossed up in the air at $28$ feet per second from a height of $144$ feet from the ground. In how many seconds will the ball hit the ground?

User Jjmcc
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stuff stuff and other stuff

User Rizidoro
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