I need help with these questions I don’t know how to do this type of math hopefully you can read the questions if not just ask.

13. 3 hours 14. 12 cm 15. 4.08772332 × 10-32 m3 kg / s2 16. 12.5

Step-by-step explanation: pls mark brainlieast

50-38=12

step-by-step explanation:

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