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Answer:
d=13
Step-by-step explanation:
D = √(x2 - x1)2 + (y2 - y1)2
D = √(-6 - (-8))2 + (1 - 4)2
D = √(-6 + 8)2 + (-3)2
D = √(2)2 + (-3)2
D = √4 + 9
D = √13