Write 20,484,163 in expanded form.

(ex: 10x1,000,000)

How many lines can be drawn through points j and k? 0 1 2 3

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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.