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Answer Key
Practice B
1. ; 7 > 10
11
2. ;
3. ;
4. ;
5. ; 0.8 > 0.9
6. ; 3 < 2.5
1 0 1 2 3
7. ;
3 2 1 0 1
8. ; 3.2 > 4.1
5
8
3
10
2 1 0 1 2
4.1 3.2
4
9 8 7 6
25
14
2
5
14 12 10 8 6 4 2
0.9 0.8
2
7
5
3
2
5
3 2.5
2
9. ;
3
4
10
3
0 1 2 3 4 5
3 2 1 0 1
8
3
< 7
5
10. 11.
12. 13.
14.
15. 6, 5,
16. Identity property of multiplication
17. Commutative property of addition
18. Inverse property of addition
19. Associative property of multiplication
20. Associative property of addition
21. Identity property of addition
22. 5 23. 20 24. 4 25. 3 26. 24
27. 27 28. 4 29. 18 30. 52 in.
31. 3 touchdowns 32. 3 pieces
33. 2 or 2 under par
1
7 13
2 , 3 , 4
5
10, 2.9,
2, 3, 1, 2, 3
15
1
3, 7, 5 , 2.1
2 , 8
1
4,
3 7
3 , 0, 4 , 2
3 1
2 , 2 , 1, 2
17
4
7
4
2 1 0 1 2
1
0
3
4
10
3
< 7
4
25
2
< 17
4
< 14
5
2 < 2
5