N=7 because u subtract 5 from both sides that gives u 1. Then u add 6 and there’s ur answer
Your answer to this is 200
F(t) = -5t^2 + 20t + 60
-5(t^2 - 4t - 12)
-5(t + 2) (t - 6)
t = -2 or t = 6
6 seconds
The ones with a square in a picture is a 90 degree angle the rest are a 180
