Answer: The correct answer is D. This is because 3 times 5 equals 15. 2 times 12 is 24. 24 plus 15 equals 39. Therefor, the first equation checks out. Now lets move on to the next equation. Remeber. x is equal to 5 and y is equal to 12. 5 times 5 equals 25. 25 minus y, or 12, equals 13. The correct answer is D (5, 12.)
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