1. Evaluate the expression |a| – 7 if a = –23. A. –16 B. 16 C. –30 D. 30 Hint 2. Choose the graph of N(3, 0). A. B. C. D. Hint 3. Arrange the integers {–5, –8, 1, –13, 7, 0, 12} from least to greatest. A. {0, 1, –5, 7, –8, 12, –13} B. {–13, –8, –5, 0, 1, 7, 12} C. {12, 7, 1, 0, –5, –8, –13} D. {–13, 12, –8, 7, –5, 1, 0} Hint 4. Find (–8) · 4. A. 2 B. –2 C. 32 D. –32 Hint 5. Find the quotient of 144 and –8. A. –36 B. 9 C. –18 D. 12 Hint 6. Find the quotient A. –49 B. 7 C. 49 D. –14 Hint 7. Add 10 + 15 + (–10). A. –15 B. 15 C. –35 D. 35 Hint 8. Find the sum –12 + 3 + (–6) + 14. A. –16 B. –1 C. 35 D. 17 Hint 9. Find the difference –5 – (–11). A. –6 B. –16 C. 16 D. 6 Hint 10. A submarine started at a depth of 150 feet below sea level and descended 355 feet. What is the new depth of the submarine? A. 0 feet B. 505 feet C. 205 feet D. 370 feet Hint 11. Multiply –9(–7)(–10). A. 160 B. 630 C. –26 D. –630 Hint 12. In which quadrant is the point (7, -5)? A. Quadrant II B. Quadrant I C. Quadrant IV D. Quadrant III Hint 13. Evaluate the expression xw + z, if w = 2, x = 6, y = 4, and z = 5. A. 60 B. 11 C. 7 D. 17 Hint 14. Find the next term in 20, 24, 28, 32, 36. . . A. 42 B. 39 C. 40 D. 41 Hint