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Answer Key<br />

Practice A<br />

1.<br />

2.<br />

3.<br />

4.<br />

5.<br />

6.<br />

1 0 1 2 3 4 5<br />

1 0 1 2 3 4 5<br />

4 5 6 7 8 9 10<br />

3 2 1 0 1 2 3<br />

3 2 1 0 1 2 3<br />

10<br />

9 8 7 6 5 4<br />

1 < 1<br />

2<br />

7. 8. 9.<br />

10. 11. 12.<br />

13. Associative property of addition<br />

14. Inverse property of addition<br />

15. Commutative property of multiplication<br />

16. Commutative property of addition<br />

17. Inverse property of multiplication<br />

18. Identity property of addition<br />

19. Distributive property<br />

20. Associative property of multiplication<br />

21. Identity property of multiplication<br />

22. 10 23. 3 24. 5 25. 26. 20<br />

27. 28. 3 29. 30. in.<br />

31. 15 oz 32. 500 m/sec 33. $80 34. 52 in.<br />

35. 3 touchdowns<br />

7<br />

2<br />

8<br />

3<br />

3 < 5 8 > 11<br />

4 > 2 6 < 0 4 < 2.7<br />

7<br />

72<br />

6 4

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