PLS PLSS PLS HELP I WILL MARK BRAINLIEST!!!!!

Answer: -3, 3.5
Step-by-step explanation:
This is because the X axis goes first.
Answer:
1. 3,-3
2. 2.5 units
3. {a= -4,4 & -4,-1} {b= -1.5,4 & -1.5,-1}
4.-3,-3
5. 9
Step-by-step explanation:
brainliest please