1 kilometer is 1000 (or 10^3) meters, so Eric walks .81*10^3=810 meters and YiTing walks .65*10^3=650 meters.
Answer: (2,-4). (6,-9)
Step-by-step explanation:
Quadrant I: (pos.,pos.)
Quadrant II: (neg.,pos.)
Quadrant III: (neg., neg)
Quadrant IV: (pos., neg)
Linked the answer below not sure if it’s right tho