$\text { Find the distance between points } P _ { 1 } \text { and } P _ { 2 } \text {. }$

Multiple Choice

$\text { Find the distance between points } P _ { 1 } \text { and } P _ { 2 } \text {. }$
- $P _ { 1 } ( 7,8 , - 7 )$ and $P _ { 2 } ( 9,5 , - 13 )$

A) $\sqrt { 7 }$
B) 5
C) 6
D) 7