What is (3m^5r^3/4p^8)^4

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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 =