NO LINKS!!!!!! NO RANDOM LETTERS FOR POINTS!!!!!!!!!
The map of a biking trail is drawn on a coordinate grid.
The trail starts at P(−2, 2) and goes to Q(5, 2).
It goes from Q to R(5, −5) and then to S(8, −5).
What is the total length (in units) of the biking trail?
a: 10
b: 16
c: 17
d: 18
