Need 1 and 2 plz and thank you

What one do you need there is a lot 1 and 2 so i will help you when you tell me what you need

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2

answer: 819.89 miles across america

step-by-step explanation: