Answer:
[tex]d=\sqrt{113}[/tex]
Step-by-step explanation:
[tex](8, -3)= (x_1,y_1)\\(1,5) =(x_2,y_2) \\\\d = \sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}\\\\d = \sqrt{\left(1-8\right)^2+\left(5-\left(-3\right)\right)^2}\\\\d = \sqrt{(1-8)^2 +(5+3)^2} \\\\d = \sqrt{(-7)^2+(8)^2}\\ \\d = \sqrt{49+64}\\ \\d = \sqrt{113}[/tex]