Answer:
D
Step-by-step explanation:
Proportional relationships go through the origin on the graph so we can eliminate A and B. Also the x and y coordinates have the same ratio so the answer is D because 2:3 = 4:6 = 8:12 = 12:18.
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x=4
2x+4=12
-4 -4
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2x = 8
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2 2
Answer: 40 and 52
, so both 40 and 52 have a factor of 4.