Answer:
20
Step-by-step explanation:
the number line is patterned in twos, so the dot will be at 20, since its 4 spaces away from 12
If you look between the 8 and the twelve you see they went up by 4. Then you see they go up 2 each line. 8, 10, 12,14,16,18, therefore having the answer being 20.
