A football is punted into the air. Its height h, in meters, after t seconds is given by the equation h = -14.9t2 + 24.5t +1. When does the ball hit the ground?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.