Bearings - word problems

A yacht sails from A to B then to C and returns to A. What is the bearing from A to B?

A yacht sails from A to B then to C and returns to A. What is the bearing from B to C?

A yacht sails from A to B then to C and returns to A. What is the bearing from C to A?

A, B and C are three ships. The bearing of ship A from ship B is 045° and the bearing of ship C from ship A is 135°. The distance between ship A and ship B is 8 km and the distance between ship A and ship C is 6 km. What is the bearing of ship B from ship C? Round to the nearest degree.

Town B is 35 km east and 80 km north of Town A. Find the bearing of Town A from Town B. Round your answer to the nearest degree