.
Given this fact, determine the exact value of 
(Source: Mandelbrot)
wooden cube is painted on all six faces, then cut into 27 unit cubes. One unit cube is randomly selected and rolled. After it is rolled, 
out of the 
faces are visible. What is the probability that exactly one of the five visible faces is painted? (Source: MATHCOUNTS)
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Due to excessive spam and inappropriate posts, we have locked the Prealgebra and Beginning Algebra threads.
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We will either unlock these threads once we've cleaned them up or start new ones, but for now, do not start new marathon threads for these subjects. Any new marathon threads started while this announcement is up will be immediately deleted.
