Find the Midpoint of the Segment PQ $$\mathrm { P } ( - 9,10 , - 3 ) , \mathrm { Q } ( 1,15,7 )$$

Multiple Choice

Find the midpoint of the segment PQ.
- $$\mathrm { P } ( - 9,10 , - 3 ) , \mathrm { Q } ( 1,15,7 )$$

A) $\left( - \frac { 9 } { 2 } , 5 , - \frac { 3 } { 2 } \right)$
B) $\left( - 4 , \frac { 25 } { 2 } , 2 \right)$
C) $\left( \frac { 1 } { 2 } , \frac { 15 } { 2 } , \frac { 7 } { 2 } \right)$
D) $\left( 5 , \frac { 5 } { 2 } , 5 \right)$