Which pair of expressions below contains like terms?
(1 point)
Responses
7x and 8xy
7 x and 8 xy
12x and 12y
12 x and 12 y
5xy and 7xyz
5 xy and 7 xyz
3yz and 9yz
3 yz and 9 yz
The pair of expressions that contains like terms is:
3yz and 9yz