SOLUTION: solve 2π(r)^3 + 2π(r)(s) when r=3 and s-6

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Question 885330: solve 2π(r)^3 + 2π(r)(s) when r=3 and s-6
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
2π(r)^3 + 2π(r)(s) = 2π(r^3 + rs) = 2π(27+18) = 90π