Question

6th grade math :D help me please :)

Answer 1

B

Explanation:

In order to combine like terms, they must share the same variable. We can't combine things 9y and 3p because they contain two different variables. On the other hand, 7r and r work because there is only one. 7r and r combine to 8r+2

Answer 2

b.) 7r+r+2, you can combine 7r and r