Answer:
C is a true statement
*View the attached graph*
Explanation:
6x + y = −30 and 36x + 6y = 24
6x + y = −30
-6x -6x
y = -6x - 30
36x + 6y = 24
-36x -36x
6y = -36x + 24

y = -6x + 4
If this system were graphed, the lines would be parallel.
Hope this helps!