Answer:
[tex]{ \tt{mid \: point = ( \frac{x _{1} + x _{2}}{2} , \: \frac{y _{1} + y _{2}}{2} )}} \\ \\ = { \tt({ \frac{9 + 3}{2}, \: \frac{8 + 5}{2} )}} \\ \\ = ( { \tt{ \frac{12}{2} , \: \frac{13}{2} )}} \\ \\ = { \underline{ \tt{ \: \: (6, \: 6.5) \: \: }}}[/tex]