Kimberly won 60 fidget spinners playing chess at her school’s game night. Later she gave eight to each of her friends. She only 12 remaining. How many friends does she have?

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 =