can anyone do this

Answer:
a
Step-by-step explanation:
I pretty sure it is, just counted for the first line to the circle got 8 same thing for the other circle got 5 add them together 13
Answer: 5 + 8 = 13 is the right answer
Step-by-step explanation:
The first dot was at 8, and it moved up 5, creating a second dot, 13.
Since 8 + 5 = 13, 5 + 8 would also equal 13. Simple!