Plz answer in the form of Y = a(b)^x​

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

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test