For the Points P and Q, Find the Distance D(P $\mathrm { P } ( - 5 , - 1 ) , \mathrm { Q } ( 7 , - 4 )$

For the points P and Q, find the distance d(P, Q) .
- $\mathrm { P } ( - 5 , - 1 ) , \mathrm { Q } ( 7 , - 4 )$

A) $3 \sqrt { 17 }$
B) 15
C) $135 \sqrt { 15 }$
D) 135