61, 63, 67,71,73,79,81,83
Answer:
C. 19/18
Step-by-step explanation:

So the answer is C. 19/18
Alternate exterior angles are the pair of angles that lie on the outer side of the two parallel lines but on either side of the transversal line. Illustration: ... Notice how the pairs of alternating exterior angles lie on opposite sides of the transversal but outside the two parallel lines.
5x - 2x = 63 + 57
3x = 120
x = 40