I will mark you brainiest if you can answer this

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Why is studying fractions important