Order least to greatest 1/2, 0.55, 5/7

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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 =

Ineed with this problem 21 show steps