3. C 67.5 mi
4. A 65mi
5. B $270
Answer:

Step-by-step explanation:
Move the b over to the other side to get the 2a alone.
2a=c-b
Then divide the entire equation by 2 to get a instead of 2a.


Answer:
Q is the centroid the after you can do it your self by looking forward
You convert the whole number into a fraction by adding a one underneath it, after that you multiply across.
67 with the remainder of 31 I hope this helps lol