ANSWERS A-47 37. a) Answers will vary. b) Answers will vary. c) Answers will vary. d) Answers will vary. 39. AEDNOFGQPTMLCBJKSRI , , , , , , , , , , , , , , , , , , , H A, ; other answers are possible. SECTION 13.4, PAGE 884 1. Tree 3. Circuits 5. Minimum-cost 7. Robert Sandi Angela Eli Connor Larry Jason Max Tony Gabriella 9. Stratton Wormer O’Ryan Park Dorfman Mancari Liebowitz Jennings Carter Hoover Blutarsky Kroger 11. A B C A B C D E F D E F Other answers are possible. 13. B A C D E F G H B A C D E F G H Other answers are possible. 15. H I J K G B C D A E F H I J K G B C D A E F Other answers are possible. 17. A B C D E 20 10 30 5 57. a) A b) A B c) A B SECTION 13.3, PAGE 873 1. Salesman 3. Hamilton 5. Force 7. O 39 63 72 39 44 67 H M K 9. B A E F G H D C , , , , , , , and H D C G F E A B , , , , , , , 11. A B C D G F E H , , , , , , , and E H F G D C A B , , , , , , , 13. AGJDEBCFIH ,,,,,,,,, and JDAGFIHEBC , , , , , , , , , 15. A B D G E H F C A , , , , , , , , and D B A C F H E G D , , , , , , , , 17. ABCFIEHGDA ,,,,,,,,, and AEBCFIHGDA , , , , , , , , , 19. C A B D 21. 120 23. 5! 120 ways = 25. 12! 479,001,600 ways = 27. 40,320 ways 29. a) O D L 400 250 100 450 125 150 S b) O D S L O , , , , or O L S D O , , , , c) 925 feet 31. a) T A C 342 521 663 917 1188 582 S b) T A S C T , , , , or T C S A T , , , , c) 2633 miles 33. a) 5.6 0.9 2.4 6.4 4.8 1.7 2.3 3.1 4.3 7.2 O M S W R b) O W S M R O , , , , , ; c) Answers will vary. 35. a) H C B K S 378 483 476 431 144 505 542 159 459 492 b) S B C H K S , , , , , for$1954 c) Answers will vary. 13.7 miles
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