Answer:
r=9
Step-by-step explanation:
13r=117
r=117/13
r=9
Answer:
A. 11
Step-by-step explanation:
11-3=9
The set does not include 9 because the sign is not underlined so 11 is not a solution.

and then there's a line with 2y right under that expression
6/9=2/3 because we divide both sides by 3
hope this helps