Maths

1. Two ships A and B leave a port at the same time. Ship A sails on a bearing of 300∘for 12km while ship B sails on a bearing of 150∘for 12km. Find
(a) the distance between the two ships
(b) the bearing of ship A from ship B
(c) the bearing of ship B from ship A

2. In the figure ,ABCD is a parallelogram ,△CBD is isosceles, ∠BDC =40∘.Find
∠ADB.

3. 9^ -x = 1/27