A square has an area of 20 square feet. What is the length of a side of the square, in feet?

5

Step-by-step explanation:

There are 4 equal sides on a square so 20/4 which is 5.

i cant see the graph

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