The constant of proportionality (k) equals the total price (y) divided by the number of cans (x).
Step-by-step explanation:


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And many other answers....
Answer:
C
Step-by-step explanation:
you can remove the brakets in C and it simplifies down to whats in B
Answer:
-2
Step-by-step explanation:
If the lines are parallel, the slopes are the same.
Since the green line has a slope of -2, the red line has a slope of -2