Answer:
8.94
Step-by-step explanation:
use distance formula
squareroot of (x2-x1)^2 +y2-y1)^2
sqrt (-9 - (-1))^2 +(9 - 5)^2
sqrt (-8)^2 + 4^2
sqrt 64 + 16
sqrt 80
factored becomes
4sqrt of 5 or 8.94427
rounded 8.94
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