A plane is is flying 240 mph heading N60°E. The wind is blowing S30°E at 30 mph.

6. What is ground speed of the plane?

7. What is the smallest angle in the triangle?

8. What is the biggest angle in the triangle?

9. What is the remaining angle in the triangle?

10. What is the bearing of the plane?

Please help me out, thank you. <3