Pls help so i can use tikto k later today and rob lox

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 =

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Collin did the work to see if 10 is a solution to the equation r/4=2.4