Provide an Appropriate Response $( m , - n )$ ?
A)

Multiple Choice

Provide an appropriate response.
-What is the distance from the origin to the point $( m , - n )$ ?

A) $m ^ { 2 } + n ^ { 2 }$
B) $\sqrt { m ^ { 2 } + n ^ { 2 } }$
C) $\sqrt { m - n }$
D) $\sqrt { m ^ { 2 } - n ^ { 2 } }$