Ch. 3 pretest

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Ch. 3 pretest

1. I -5I

2. I-12I +I-17I

3. I37I - I-12I

4. -I-16I + I7I

5. -11 + -13

6. 20 + -6

7. -47 + 39

8. 212 + -99

9. -8 - 7

10. 19 - 23

11. 38 - 21

12. -46 - -18

13. 9 - -103

14. A mine worker is in a tunnel 25 feet below the ground. He descends another 13 feet. What is his final position?

15. The temperature at noon on a winter day was 12 degrees. The temperature then dropped 17 degrees by midnight. What was the Temperature at midnight?

16. -4 x 12

17. -5 x -9

18. 15 / -3

19. -54 / -6

20. 12 + -7 x 4 - -8

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