Answer: 5 feet off the ground
Step-by-step explanation:
Divide the 5 with 42.00 and see the answer u got
C
Step-by-step explanation:
This has a U like shape so it a parabola.
Parabola correlate with quadratic functions

Since it Going down, the answer is C -x^2.
10,000,000,000×200,000 = 2e+15