Answer:
PY = 8
Step-by-step explanation:
Lets run down the other three to show why they're wrong
MY=8
By P.T, that's wrong (PERPENDICULAR)
PM=MY
We can't prove that with the given
XY=42
Again, by P.T., this is false
BTW: You can prove PY=8 by proving XMP congruent to YMP by SAS
