Answer: Choice D

Reason:
Whenever we have two lines cross to form an X shape, the vertical angles are always opposite one another. They do not have to be vertically stacked (as they can be side by side like angles 2 and 4 are). Vertical angles are always congruent.
1/5, 3/4, 83/100.
Hope this helps you...
Answer:
B
Step-by-step explanation:
Well if 13x9=117 so what's the units if 13x9 is 117