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 : )
you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.