Craig stops at a gas station to fill his tank. he must choose between full-service and self-service and between regular, midgrade and premium gasoline. how many possible combinations are there?
a.
2
c.
6
b.
4
d.
8

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet