They carry a lot of things and are very portable. Multi-use items.
there are exactly 56 signatures on the Declaration of Independence
Trying to make the kids to like them.
This means that at the end of the year, when all the incomes (=revenues, mostly from taxes) have been counted and all the money that needed to be spent was spent, there is still some money left.
We refer to this situation as budget surplus - the correct answer is b). If some money i.s missing, we would call it a budget deficit
