Report copyright - Answers to Selected Exercises...1x 0.4x211 0.42 10.6x210.62 0.36x b. no; 36% 117. a. 9x2 16 b. 13x 4213x 42 119. a. x1x y2 y1x y2 1x 2y21x 2y21x y21x y2 1x y2 1x y 221x y 22 12x y221x
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