Answer:
B, C and D.
Explanation:
If UV bisects XY at point W, we have the diagram below:
As can be seen, the point W divides XY into two equal parts: XW and YW.
Therefore:
(B) WX=YW.
Also:
UV = UW+WV
(C)UV-UW=WV
Finally, since W bisects XY, W is the midpoint of XY.
The correct options are B, C, and D.
