The answer is, "13 units."
You can calculate this by using the distance formula.
d=√(x₂-x₁)²+(y₂-y₁)²
d=√(2-7)²+(5-(-7))²
d=√-5²+12²
d=√25+144
d=√169
d=13
The distance between (7, -7) and (2, 5) is 13 units.
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