Order of operations: 4 - 12 ÷ 4 × 3 exponents/power 2?

=-23

Step-by-step explanation:

This question it's about PEMDAS. p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right.

calculate exponents

3²=3*3=9

4-12/4*9

multiply and divide left to right

12/4=3

3*9=27

subtract left to right.

4-27

=-23

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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

a

step-by-step explanation:

strong negative correlation