Simplify the expression: 3xy2 + 4xy –
2xy + 7xy?

3xy^2 +9xy

Step-by-step explanation:

(^ means there is an exponent)

it'll be 3xy^2-5xy if there are parathesis around the two equations

easy math just plug in a and b

step-by-step explanation:

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 : )