Donald can read 3/4 of a book in 1 1/2 hours.

In what form is the following linear equation written y=9x+2

Brent wants to know what is 5 x 1/2

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 =