p. 206 # 2 (justify), 12, 14, 16 (second matrix only), 28, 34 (justify)

p. 215 # 6, 8

p. 225 # 2, 18(a)

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More problems for practice (do not hand these in)

p. 206 # 1, 5, 7, 17, 21, 29

p. 225 # 1, 3