Given that x = 3r and y = 3s. Express in terms of x and / or y
.3^r+s
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The solution set for 5v2 – 125 = 0 is

Convert 2000 swiss francs to dutch guilders

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.