Find the Magnitude and Direction Angle (To the Nearest Tenth) $\langle \sqrt { 14 } , - 1 \rangle$

Multiple Choice

Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
- $\langle \sqrt { 14 } , - 1 \rangle$

A) $\sqrt { 15 } ; 285 ^ { \circ }$
B) $\sqrt { 15 } ; 345 ^ { \circ }$
C) $15 ; 345 ^ { \circ }$
D) $15 ; 105 ^ { \circ }$