How to make 20/10 into a mixed fraction

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

If g^-1(x) is the inverse of g (x) which statement must be true

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv