Find a ∩ b if a = {3, 6, 9, 12} and b = {2, 4, 6, 8, 10, 12}. ø {6, 12} {2, 3, 4, 6, 8, 9, 10, 12}

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.