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p. 513: 1-8, p. 496: 1-5, p. 479: 7, 8
p. 509: 8-13, 20, 21
p. 502: 11-14, 21-28
homework help
p. 492: 6-16
p. 479: 1-3, 7, 8
p. 516: 5-12
