neatly show all your work please

1. Two ships leave port at the same time and travel straight line distances, the first at 30 km/h and the second at 10 km/h. Two hours later they are 50 km apart. What is the angle between their courses? Note: do not assume that they are travelling at a right angle to each other. They are not. 2. Solve for all possible values in triangle PQR given that angle P is 360, side p is 9.4 cm and side Q is 13.1 cm