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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)? Describe how and where new crust material is made. Describe how and where old crust is destroyed.? How long does Equazen supplement really take to make effect in adults with inattentive adhd? Has someone tested it? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution? Find the complement of the angle 3pi/7. Please show steps!?