Find the Angle Between $\mathbf { u }$ And $\mathbf { Y }$

Multiple Choice

Find the angle between $\mathbf { u }$ and $\mathbf { Y }$
) $\mathbf { u } = \langle - 5,3 ) , \mathbf { v } = ( \sqrt { 2 } , 7 )$

A) $46.3 ^ { \circ }$
B) $80.6 ^ { \circ }$
C) $70.46 ^ { \circ }$
D) $19.5 ^ { \circ }$
E) $33.46 ^ { \circ }$