Answer:
A prime numbers are numbers which have only two factor
Step-by-step explanation:
100*77+72/4
100*77+18
7700+18
7718
-5.4 - (2.1 + 1.8)=-9.3
So I would say A. Thanks for asking your question today and have a good day on Brainly.com! :)

speed equals 825 divided by 17
speed equals to 48.5miles per hour
gas mileage equals to 825/38
gas mileage equals to 21.7
125/38 equals to 3.3 unit price
4.2 because it has a box around the corner that makes it whole