Answer:
[tex]\sqrt{145[/tex] or 12.04159457...
Explanation:
[tex]\sqrt{(-4-4)^2+(-5-4)^2}[/tex]
[tex]\sqrt{(-8)^2+(-9)^2}[/tex]
[tex]\sqrt{64+81}[/tex]
[tex]\sqrt{145}[/tex] ≈ 12.04159457...
I hope this helps! (✿◕‿◕✿)