This is the third time im asking this question the other two times i was not answered.
determine the factors of ax + ab + 2by + 2xy.
(x + y)(a + 2b)
(x + 2y)(a + b)
(x + b)(a + 2y)
(x + a)(2y + b)

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 =

Which of the following is the sum of 3 1/6 + 6 3/8?

32a³b² 8ab² simplify the following expression.