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Is there a musical term for two independent, non-complementary, parts being played simultaneously? What about for three parts? Number Theory: Find the roots of 4x^2+6x+1 in Z11 (could you please explain step by step? THANKS!)? The silica content of magma greatly affects its viscosity. Magma with a high silica content has a? Find the complement of the angle 3pi/7. Please show steps!? What is 4 x 6?