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Verified Answer :

Thedistance formula is derived from the Pythagorean theorem. It is expressed as:

d = 
√(x2-x1)^2 + (y2-y1)^2

d = √(8-(10))^2 + (7-(-9))^2
d = 2√65 = 16.124

Therefore, the correct answer from the choices is option D.