Find the Angle Between the Vectors U and V $( 4 , - 6,9 )$

Multiple Choice

Find the angle between the vectors u and v.Express your answer in degrees and round to the nearest tenth of a degree. u = $( 4 , - 6,9 )$ ,v = $( 9 , - 2,2 )$

A) 31.2°
B) 37.3°
C) 58.8°
D) 90°
E) 52.7°