Find the value of x in the right triangle shown below

x=5

Step-by-step explanation:

h^2= a^2 + b^2

13^2= 12^2 + b^2

b^2= 13^2 - 12^2

b^2= 169 - 144

b^2= 25

b= 5

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

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