Solve the Problem $A$ To the Midpoint Of $B C$ $$\mathrm { A } = ( 5,8,1 ) , \mathrm { B } = ( 2,7,6 ) , \mathrm { C } = ( - 9,7,4 )$$

Multiple Choice

Solve the problem.
-Find the vector from $A$ to the midpoint of $B C$ .
$$\mathrm { A } = ( 5,8,1 ) , \mathrm { B } = ( 2,7,6 ) , \mathrm { C } = ( - 9,7,4 )$$

A) $\langle - 5.5 , - 1,4 \rangle$
B) $\langle - 8.5 , - 1,4 \rangle$
C) $\langle 8.5,1 , - 8.5 \rangle$
D) $\langle - 10 , - 56 , - 6 \rangle$