Please help i need the answer to this test question

We just started the introduction into circles and i have no idea how to do this.

Using the figure below, select the two pairs of alternate interior angles. a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7

Which equation can be solved to find x the measure of jk in the apex