I don’t really get what you’re asking here but a system of 2 parallel lines has no solution, and a system of 2 parallel lines is called inconsistent.
The answer to your question is C
Step-by-step explanation:

Thus, mean and median are same.
Answer:
3.25 inches, 0.75 inches, 0.7 inches, -0.55 inches, -0.75 inches
hope it help <3