11. Simplify: |–12 - 8 + 9| 

A. 20
B. 11
C. 39
D. –11

12. Simplify:

A. 2
B. –2
C. 4
D. –4

13. Which of the following integers is less than –15?

A. –3
B. –2
C. –21
D. –15

14. How far is –19 from 8 on a number line?

A. 11 units
B. (–11) units
C. (–27) units
D. 27 units

15. What integer is 21 units right of –3?

A. 18
B. 19
C. 24
D. –24

16. Which of the following integers is the biggest?

A. –17
B. –71
C. –54
D. –45

17. –9 subtracted from what number gives 9?

A. 18
B. –18
C. 9
D. 0

18. Simplify 18 – 12 ÷ –3.

A. 2
B. –2
C. 22
D. –22

19. Given the integers on a number line, identify the next integer in the pattern: –65, –53, –41, –29, ___.

A. 17
B. –17
C. 16
D. –16

20. Simplify –24 ÷ (–6) + (–2) · 3.

A. –4
B. 2
C. –2
D. –16​