Answer:
5
Step-by-step explanation:
given that x and y are proportional, they can be expressed as y = rx, where r is the proportionality constant. Thus, we can solve for r by doing y/x in any given point.

Answer:
i think that the correct answer is a
Step-by-step explanation:
Answer:
How does it need solved? By graphing? Substitution?
Step-by-step explanation: