Write the product in its simplest form:
7xy3 . (-9xy)

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 : )

step-by-step explanation:

the easiest way to do these would be to solve the equations. if you can solve the equation than you can solve these problems.

that would be a prism, if not right, feel free to correct me