7) Check - a piece of paper that has a certain amount of money deposited or withdrawn from a bank and deposited to a certain person or owner.
Money Order - a receipt that shows that the owner (payee) receives and certain amount of money and is therefore payed that amount.
8) When someon writes a check, the money usually comes from their bank account.
9) When someone pays with a money order, the money usually comes from from a financial bureau.
10) A check is better because, checks can be deposited and withdrawn, but money orders are usually money, so there is no proof. Maybe someone might not pay money.
12) Find the unit rate -
Lawn moving = 300/2 = $150 per hour
Landscaping = 2800/35 = $80 per hour
Lawn moving is the better job, because Amy gets payed more.