Answer:
8 units
Step-by-step explanation:
Calculate the distance (d) using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (- 1, - 5) and (x₂, y₂ ) = (- 9, - 5)
d = [tex]\sqrt{(-9+1)^2+(-5+5)^2}[/tex]
= [tex]\sqrt{(-8)^2+0^2}[/tex]
= [tex]\sqrt{64}[/tex]
= 8 units