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?

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.