A ball is thrown straight up from the second floor of a building. The height of the ball can be modeled by h ( t ) = − 4 t 2 + 12 t + 16 , h(t)=-4t2+12t+16, where h h is the height of the ball in feet feet after t seconds . t seconds. Determine the length of time the ball was in the air.

He was riding in a "whites-only" train car. Front of the marker placed Feb. 12, 2009, commemorating the planned arrest of Homer Plessy June 17, 1892, for violating the Louisiana 1890 Separate Car Act. He was sitting in the whites' coach when he was asked to move and refused, which led to his arrest