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What is the perimeter of this square? 80 mm

Step-by-step explanation:

20 + 20 + 20 + 20

= 4 × 20

= 80 mm

answer: hey there,

the answer you are looking for is a..

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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