Answer:
The answer is the distance is 9. I am hopefully correct
Distance formula: d = √(x2-x1)^2+(y2-y1)^2
d = √(8-1)^2+(-9-(-1)^2)
d = √7^2+(-8)^2
d = √49+64
d = √113
d ≈ 10.63
Best of Luck!
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