What is the value of a?
-2(a-8)+6a=36

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 =

Ineed to know the answer to this algebra question.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account