Aprojectile is fired straight up from ground level with an initial velocity of 112 ft/s it's height h above the ground after t seconds is given by h = -16t^2 + 112t what is the interval of time during which the projectile height exceeds 192ft

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.