Answer:
A and C are proportional relationships.
Step-by-step explanation:
Recall that a "proportional relationship" has no constant term. Thus, we eliminate Answers B and D immediately.
Answer A represents a proportional relationship: y varies directly with the square of x.
Answer C also represents a proportional relationship: y varies directly with x.
The first one is fraction and the second one is volume.
Fu/ac=mu/bc so 27/36=mu/24 so mu= 18
Answer:

Step-by-step explanation:
5/7x-4/7x=20-14-4
1/7x=2
x=14
386 is the answer.................................