60 z+ 50 - 97z = - 37z + 49
How many solutions does this equation have ?

What is not true about kl and mn? what is mn? (show your work)

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 =

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2