Is there a picture that I can see of the question
The two lines are parallel, no matter how long they travel they will not cross.
You have to find the area of a shape.
The z-score corresponding to a cumulative area of 1 - 0.0122 = 0.9878 is 2.25.
Therefore the z-score corresponding to a cumulative area of 0.0122 is the negative of 2.25 = -2.25.