Question

Bill has set his GPS to track his route. At the end of his hike, his GPS indicates that he walked 3.50 miles north, 1.00 miles at 45 degrees north of east, and 1.50 miles south. How far away is Bill from his starting position? And in what direction is he? Provide the direction in number of degrees in reference to the cardinal directions (North of East, South of West, etc.).

Fig: 1