1. a, 225°
b. 045° 
c. 290°
 
d. 133°
e. 337.5°

2. a. S
b. SE

c. N60°W
d. S60°W
e. N65°E

3. The bearing of Betatown from Arthurtown is 110°

4. The bearing of Town B from Town A is 215°