Answer:
21r +3
Step-by-step explanation:
3(7r + 1) =
Distribute
3*7r +3*1
21r +3
Answer:
5/2
Step-by-step explanation:
When you are finding the slope of a parallel line, the other line always has the same slope as the first line but different y intercept.
-6+10c
I think, reorder the terms: -6+9c+c= -6+10c
The answer is 160. U multiply all. PUT ME AS BEST