help me please this is the last question on my quiz ( if you DO NOT KNOW THE CORRECT ANSWER DO NOT ANSWER!

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Which function has the domain x> -11?