Answer:
C: 108 Feet
Step-by-step explanation:
You just plug 3 in for t.
h(t) = -18(3)^2 + 18(3) + 216 = 0
-18(9) + 54 + 216 = 0
-162 + 54 + 216 = 0
-108 + 216 = 0
-108 + 216 = 108
So I believe I am correct.