#### Answer

$d=6.5$
M$(1\frac{3}{4},2)$

#### Work Step by Step

$d=\sqrt {(x_2-x_1)^2+(y_2-y_1)^2}$
$d=\sqrt {(3-(\frac{1}{2}))^2+(-1-5)^2}$
$d=\sqrt {(2\frac{1}{2})^2+(-6)^2}$
$d=\sqrt {6.25+36}$
$d=\sqrt {42.25}$
$d=6.5$
M$(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$
M$(\frac{\frac{1}{2}+3}{2},\frac{5+(-1)}{2})$
M$(\frac{3\frac{1}{2}}{2},\frac{4}{2})$
M$(1\frac{3}{4},2)$