Find the direction angle for each vector -12i-35j A.268.45degrees
B.341.08 degrees
C.251.08 degrees
D.108.92 degrees

2. Find the measure of the angle between the two vectors and show all work
U=<-3,-1>
V=<-7, 3>

A.154.59 degrees
B.65.22 degrees
C.77.01 degrees
D. 41.63 degrees

3. State if the two vectors are parallel orthogonal or neither and show all work

U=18i-10j
V=5i+9j

A. Parallel
B. Orthogonal
C. Neither