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Precalculus 17 Online
OpenStudy (anonymous):

The endpoints of the line ST are S(-1, -3) and T(5, -7). What is its length? using the formula d=√(y1-y2)^2+(x1-x2)^2 A. 4√13 units B. 2√13 units C. 2√52 units D. 4√52 units

OpenStudy (anonymous):

if im doing it correctly i get √136 but its not in the answer choices plz help

OpenStudy (anonymous):

or am i doing it wrong? plz help

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