Answer:
623/2
Step-by-step explanation:
Answer:
4 and 3 <------- That's the set I believe!
Let P be a point outside the circle such that triangle LMP has legs coincident with chords MW and LK (i.e. M, W, and P are colinear, and L, K, and P are colinear). By the intersecting secants theorem,

The angles in any triangle add to 180 degrees in measure, and
and
, so that


You're answer will be C 13x2+12xy+9y2
There's an app called photomath that would be useful for these kinds of problems!