How to do 7 and 8

6. A boat sails 100.km 35.0. N of E, then 20.0km west. What Is 7. An air balloon drifts 30.0 km 75. W of S, then its engines are turned on and it flies 20.0 km 40 E of S. What is the total displacement? 8. A boat leaves port and sails 26 km at 720 S of E. Then the ship turns north and sails 4.0 km. How far is the ship from port and what heading is the shortest way home? Answers: 18 km 34' Sof E 2)-15.8 m. 610 of W4) 15. 1 m 74.1 'S of E 5) 2.5 km 67 S of E, 21 Km. 6) 84.4