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ANSWERS

id, 2.c. 3.c, 44 5.a, 6.a, 7.b, Sd, 9.a, 10.a, 11.b, 12.c, 13.d, 3i+j-2k, SQ=i-3j-4k 14.b, 15.b, 16.d, 17.d, 18.c, 19c, c)((D1QJ 00oaoo0)lo PQRS 20.b, 21.c, 22b, 23.a, 24.b, 25.a,

24.-f PR=

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610 (U16TnI33611.

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