To go to a football stadium from your house, you first drive 1000 m north, then 500

Question:

To go to a football stadium from your house, you first drive 1000 m north, then 500 m west, and finally 1500 m south.
(a) Relative to your home, the football stadium is (1) north of west, (2) south of east, (3) north of east, (4) south of west.
(b) What is the straight-line distance from your house to the stadium?