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Rearranging ifmulas. Solve the equation if the given variable. c = ab, a = ?, b = ?; W = UIt, U = ?, I = ?, t = ?; k = xy^2; x = ?, y = ? if y gt; 0; s = at^2 / 2; a = ?, t = ? if y gt; 0; d = y-x; x = ?, y = ?; x = x_0 - vt; x_0 = ?, v = ?, t = ?.