Find the Distance Between Two Points Given Their Coordinates $P$ And $Q$

Multiple Choice

Find the distance between two points given their coordinates.
-Find the distance between points $P$ and $Q$ on a number line, with coordinates $- 10$ and 3 , respectively.

A) $\mathrm { d } ( \mathrm { P } , \mathrm { Q } ) = - 13$
B) $\mathrm { d } ( P , Q ) = 7$
C) $\mathrm { d } ( \mathrm { P } , \mathrm { Q } ) = - 7$
D) $\mathrm { d } ( \mathrm { P } , \mathrm { Q } ) = 13$