Six values on the number line are marked with letters. Match the opposite. Please help!

Answer:
C.
Step-by-step explanation:
As you can see, if D=-10 and F=10, then they are opposites since they are on the opposite sides of the number line, came with A and G.
Answer:
C) D and F; A and G
Step-by-step explanation:
D = -10 and F = 10, they are opposite to each other.
A = -5.5 and G = -5.5, they are opposite to each other.
Therefore, the answer is C) D and F; A and G
Hope this will helpful.
Thank you.