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2009 AMC 12A Answer Key

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All problems are used with official legal permission of the Mathematical Association of America (MAA).

1. A
2. C
3. B
4. A
5. D
6. E
7. B
8. A
9. D
10. C
11. E
12. B
13. D
14. B
15. D
16. D
17. C
18. B
19. C
20. E
21. C
22. E
23. D
24. E
25. A