Identify the segment bisector of $\overline{XY}$ . A line segment X Y passes through point M. A ray extend from point M and passes through point N. There are matching hatch marks on line segments X M and M Y. The hatch mark on X M is labeled 3 x plus 1 and the hatch mark on M Y is labeled 8 x minus 24.

$N$

$X$

$\overrightarrow{MN}$

$\overline{MY}$
Question 2
The length of $\overline{XY}$ is
.