Due: 22 October 2013, by end of the work day
19. page 299, 6.7, Problem 17 20. page 299, 6.7, Problem 18 21. page 524, 10.8, Problem 5 22. page 527, 10.9, Problem 1 23. page 308, 6.8, Problem 17 24. page 308, 6.8, Problem 21