The hypotenuse of a right triangle measure 20 inches. If one leg of the triangle is four inches longer than the other leg, find the measures of the legs.

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Alarge rectangle is divided into four smaller rectangles.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective