Question 1066609
s=-16t^2+112t
96=-16t^2+112t
0=-16(t^2-7t+6), moving the 96 over and dividing everything by -16
(t-6)(t-1)=0
t=1, 6 seconds on the parabola.
It hits the ground when s=0 and -16t^2+112t=0; -16t(t-7)=0; t=7 seconds. t=0, of course, because it started there.

{{{graph(300,300,-10,10,-10,200,-16x^2+112x)}}}