Answer: 
Step-by-step explanation:
Given
Points are 
Convert mixed numeral to fraction

Slope of the line is

Equation of line

(g₀f)(x)=g(f(x))
=g(2x-2)
=5(2x-2)^2-3
=5(4x^2-8x+4)-3
=20x^2-40x+17
19-14? I think first you need to find sea level.
You can not solve for a as all of the numbers are unknown
Distance = Speed x time = 162 x 3 = 486 miles/hour
Answer: 486 miles/hour