document.write( "Question 885330: solve 2π(r)^3 + 2π(r)(s) when r=3 and s-6 \n" ); document.write( "

Algebra.Com's Answer #535116 by ewatrrr(24785) $\"\"$ $\"About$

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2π(r)^3 + 2π(r)(s) = 2π(r^3 + rs) = 2π(27+18) = 90π \n" ); document.write( "

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