Answer:
A. 2
Explanation:
Point A is on the y-axis is y = -2.
-2 is 2 units away from 0, which is the y-axis.
Point B also, on the y-axis, is y = 2.
2 is also 2 units apart from the y-axis, which is y = 0.
Therefore, both points are 2 units away from the y-axis.