SOMEONE DO NUMBER 1 AND 2 FOR ME, ILL GIVE BRAINLIEST

1. The second number line, the third number line, the first number line.

2.

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 : )

the answer to this question is 3/19

step-by-step explanation: