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15.00g of Si reacts with 25.00g of F2 to produce 28.67g of SiF4. Which reactant is the limiting reagent? If x^2+y^2 = 6, and x+y=3, then what is x^3+y^3? Find the complement of the angle 3pi/7. Please show steps!? Verify that M(u,v)=A +u(B-A) +v(C -A) ( A,B,C vectors) is a parametric representation of surface of the triangle A(1,0,0) B(0,-1,2) C(0,2,1)? Problem involving math induction! 1. Prove for every integer p, p^2 + 3p + 8 is even.?