Hope tosses a ball into the air. The function h(t) = -5t2 +10t +6 gives the approximate height h, in meters, of the ball t seconds after she tosses it. When does the ball hit the ground? Does the ball reach a height of 12 meters? What is the maximum height of the ball?

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?