Hey. I suck at algebra help pls?​

Which of the choices shown could be used to prove that aacp=abcp ?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?