A 10 hamburger value meals cost$60. What will 15 hamburger value meals cost

Which of the following is correct interpretation of the expression -4+13

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 =

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)