What percent is represented by the shaded area

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

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 =