Katelyn went to the store and brought 2 shirts that were orginally $12 each, but got a 15% discount off each shir. If she has to pay 7% sales tax how much did se=he spend total?

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 =