Answer:
B- I and III
Step-by-step explanation:
Any choice including II is wrong.
II- 12/8 = 1.5, 15/10 = 1.5, but 18/14 is not 1.5.
A, C, and D can be crossed out.
III's triangles are similar, so you can include that.
The answer is B- I and III.
If I am wrong, please let me know.
