The angle of depression from an observer from the top of a cliff to a row boat is \({\rm{6}}^\circ \) . The cliff is 25m above sea level. The horizontal distance from the boat to the cliff is?

A plane is 120 miles north and 85 miles east of an airport. If the pilot wants to fly directly to the airport, what bearing should be taken?

A boat sails from a certain port in the direction of \(S\)\({\rm{30}}^\circ \)\(E\). After the boat has sailed 8 km, how far is due east from the port?

A boat leaves from point S on a bearing of \({\rm{060}}^\circ \). After the boat has sailed 12 km, it reaches point P. How far is point P due east of point S?