The number of students enrolled at a community college increased by 12% last year. The enrollment last year was 15,500. How many students sre enrolled this year?

The answer would be A and C. Because the definition of a vertical angle is when 2 pairs of non-adjacent angles caused by intersecting lines, are congruent. These two angles are not adjacent and both angles are congruent. Since the angles are under that criteria, it is vertical.