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If x^2+y^2 = 6, and x+y=3, then what is x^3+y^3? What set of reaction conditions would favor an SN2 reaction of 2-bromo-bromo-3-mehthylbutane? Number Theory: Find the roots of 4x^2+6x+1 in Z11 (could you please explain step by step? THANKS!)? Is there a musical term for two independent, non-complementary, parts being played simultaneously? What about for three parts? Make a conjecture about the next item in the sequence.1, -4, 9, -16,?