In the following exercises, simplify.

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 =

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x