A football is punted into the air. Its height h, in meters, after t seconds is given by the equation h=-4.9t²+25.5t+1. Round your answer to hundredths place if needed.

1. How high is the ball after 3 seconds?
2. What is the maximum height of the ball and how many seconds will it take to reach that point?
3. How long will the ball be in the air?