Solve. 3x + 3=21 HELP I NEED IT ASAP
1. X=20
2. X=13 1/3
3. X= 15 1/3
4. 30

Step-by-step explanation:

3x + 3=21

3x = 21-3

3x = 18

x= 18/3

x= 6

I don't find any option as correct one

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

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