Solve for the “x” in all the equation below. Show ALL work. (1) - 2.x+8+ 7x = 48
(2) -15=r-6x +10
(3) - 8+ 2x - 4x + 2 = -16

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

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 =

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x