Answer:
not too late my friend
Step-by-step explanation:
The answer is C. AB. The total line segment is ACB, or AB, because C is in between A and B. If you are adding AC and CB together, you are adding the two parts of the line together.
I hope this helps :)
Answer:

Step by step explanation:

I know its a scale factor of .5, i just don't know if its the rotation or reflection answer.