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Tel: 301-922-9508 Email: chiefmathtutor@gmail *Education Center 22. For each positive integer n, let S(n) be the number of sequences of length n consisting solely of the letters A

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Page 1: Tel: 301-922-9508 Email: chiefmathtutor@gmail *Education Center 22. For each positive integer n, let S(n) be the number of sequences of length n consisting solely of the letters A

https://ivyleaguecenter.wordpress.com/

Tel: 301-922-9508

Email: [email protected]

Page 2: Tel: 301-922-9508 Email: chiefmathtutor@gmail *Education Center 22. For each positive integer n, let S(n) be the number of sequences of length n consisting solely of the letters A

https://ivyleaguecenter.wordpress.com/

Tel: 301-922-9508

Email: [email protected]

Page 3: Tel: 301-922-9508 Email: chiefmathtutor@gmail *Education Center 22. For each positive integer n, let S(n) be the number of sequences of length n consisting solely of the letters A

https://ivyleaguecenter.wordpress.com/

Tel: 301-922-9508

Email: [email protected]

Page 4: Tel: 301-922-9508 Email: chiefmathtutor@gmail *Education Center 22. For each positive integer n, let S(n) be the number of sequences of length n consisting solely of the letters A

https://ivyleaguecenter.wordpress.com/

Tel: 301-922-9508

Email: [email protected]

Page 5: Tel: 301-922-9508 Email: chiefmathtutor@gmail *Education Center 22. For each positive integer n, let S(n) be the number of sequences of length n consisting solely of the letters A

https://ivyleaguecenter.wordpress.com/

Tel: 301-922-9508

Email: [email protected]

2015 AMC 12A Answer Key

1. C

2. E

3. E

4. B

5. D

6. B

7. D

8. C

9. C

10. E

11. D

12. B

13. E

14. D

15. C

16. C

17. A

18. C

19. B

20. A

21. D

22. D

23. A

24. D

25. D