Find the value oof x in each case i real need with dis

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

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.