Answer:
3.5
Step-by-step explanation:
Answer:

Step-by-step explanation:
I am assuming that you mean (4,−9) and (8, -3).

Hope this helps.
Answer:1 4/5
Step-by-step explanation:
Answer:
8y
Step-by-step explanation:
(-5,-8)
The coordinates are still the same because a rotation of 360° is a complete circle, therefore the points remain in the same spot.