Answer:
6
Step-by-step explanation:
To calculate the distance d use the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (2, - 1) and (x₂, y₂ ) = (2,5 )
d = [tex]\sqrt{(2-2)^2+(5+1)^2}[/tex] = [tex]\sqrt{0+36}[/tex] = [tex]\sqrt{36}[/tex] = 6
