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2021 AMC 12A Fall Answer Key

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

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