2) x y
2 10
4 20
6 30
8 40

The table shows a proportional relationship between x and y. What is the unit rate of y per x?
A) 1
B) 2
C) 4
D) 5

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

An object in geometry with no width, length or height is a(n):

Factor the polynomial by its greatest common monomial factor.