What is the average number of siblings in a family with 5 families having 3, 4, 2, 1, and 5 siblings respectively?
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What is the sine of angle C if the opposite side measures 5 cm and the hypotenuse measures 13 cm?
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Math question: In a circle with radius 4 cm, if two intersecting chords have lengths of 6 cm and 8 cm, find the distance between their intersection points.