Respuesta :

we have the following;

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

replacing:

[tex]\begin{gathered} d=\sqrt{(-1-8)^2+(3-5)^2} \\ d=\sqrt{(-9^2+(-2)^2} \\ d=\sqrt{81+4} \\ d=\sqrt{85}=9.22 \end{gathered}[/tex]

therefore, the answer is 9.22 units

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