Please help I will give brainliest and 50 points!!

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

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29