Find the Dot Product of U and V $( 9 , - 9 , - 2 )$

Multiple Choice

Find the dot product of u and v. u = $( 9 , - 9 , - 2 )$ ,v = $( - 9 , - 2 , - 9 )$

A) -45
B) -22
C) $( 0 , - 11 , - 11 )$
D) -81
E) $( 0 , - 11 , - 11 )$ .