The solutions to the equations 2x^2 +x-1=2 are x=-3/2 or

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 statement describes surface features called maria on the moon

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?