Answer:
10
Step-by-step explanation:
It's distance formula time!
distance formula:
[tex]\sqrt{(x2-x1)^2+(y2-y1)^2}[/tex]
where
x2=8
x1=0
y2=1
y1=7
so substitute:
[tex]\sqrt{(8-0)^2+(1-7)^2}[/tex]
[tex]\sqrt{(8)^2+(-6)^2}[/tex]
[tex]\sqrt{64+36}[/tex]
sqrt100
sqrt100=10
hence distance=10
