Factor 2kh^2 - 4kh + 5k=

What expression is equivalent to 1/2(2+3x-6)

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 =

Do you mind if you guys me with this question i’m on number 8