Can somebody plz help answer all 3 of these correctly (only if u done this before) thanks :3 WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :D

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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 =

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?