17. A glider lands 20 miles east and 6 miles south from where it took off. The result of the trip can
be described by the vector (20. -6).

What is another description of this vector using distance (for magnitude) and direction?
O about 17 miles at 21° south of west
about 17 miles at 21° south of east
about 21 miles at 17° south of west
O about 21 miles at 17° south of east