They can both be correct because if 0 is the turning point their answers are the same
No.1 is possible.No.2 is impossible( I can’t explain why because I don’t know how to write explanation in English )I am from Myanmar
Answer:

Step-by-step explanation:


x = -3, y = -2
-3 + -2 = x + y = -5
Lenght=√((7-(-3))^2+(8-8)^2)=√((10)^2)=10
I'm not completely sure, but I think you have to add up the numbers and subtract by two.