Please help me with this math problem Will give brainliest if correct!! :)

A: 2/7-29%

B:1/7-14%

C:4/7-57%

D is correct

E: 5/7-71%

F: 4/10-40%

Step-by-step explanation:

Divide the color of the marble presented in the problem by 7, the total number of marbles.  For E the total number of marbles is 10 because you add 3 more.

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