A. 3(x+2)=18 B. 3x+6=18

B

Step-by-step explanation:

3x6 is 18 so therefore its B

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )