9. 10. 3(–5)(–8) 11. –2(–15)(–6) –10(17)(–2) 12. 13. 12(10)(5) 14. –2(–2)(–2) –50(–21)(2) Evaluate each expression if a = b = and c = 5. –1, –6, 15. 16. 4ab 17. 18. –11a –8bc –10ac 19. 15ab 20. 12ac 21. abc 22. –abc 23. 24. 4ab(–8c) 25. 9a(–2b)(5c) 26. –11a(–bc) –3a(–2b)(–c) 27. In Montyville, the value of homes has experienced an annual change of percent. If the –2 rate continues, what will be the change over 10 years? 28. The Good Food n’ More grocery store loses an average of $210 a day due to breakage, shoplifting, and food expiration. How much money does the store lose on average per 7-day week?
9. –2(–15)(–6) 10. 3(–5)(–8) 11. –10(17)(–2) 12. –2(–2)(–2) 13. 12(10)(5) 14. –50(–21)(2) Evaluate each expression if a = –1, b = –6, and c = 5. 15. –11a 16. 4ab 17. –8bc 18. –10ac 19. 15ab 20. 12ac 21. abc 22. –abc 23. –11a(–bc) 24. 4ab(–8c) 25. 9a(–2b)(5c) 26. –3a(–2b)(–c) 27. In Montyville, the value of homes has experienced an annual change of –2 percent. If the rate continues, what will be the change over 10 years? 28. The Good Food n’ More grocery store loses an average of $210 a day due to breakage, shoplifting, and food expiration. How much money does the store lose on average per 7-day week?