Answer:
4, 3
Step-by-step explanation:
(11x + 34) is congruent to (15x + 18) because they are vertical angles.
11x + 34 = 15x + 18
34 = 4x + 18
16 = 4x
4 = x
Then substitute it into 15x + 18
15(4) + 18 = 78
That angle plus the smaller one make 90 degrees, so
12 = 5y - 3
15 = 5y
3 = y
