Answer:
Step-by-step explanation:
remember plus minus = minus
so 8+-=9
8-9=-1
A linear pair is two angles that are adjacent and whose non-common sides form a straight line. If two angles are a linear pair, then they are supplementary.
12% would be bigger because it is a whole number other then the fraction.
Yes, because a unit price is what you pay for one of many things. A unit rate, if you will.
