Math

Find the value (10 r + 5)^2, when r = 4

Asked by AnneS2 12 years ago 7/30/2013 8:22 AM

Last updated by anonymous 12 years ago 7/31/2013 5:34 PM

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Answered by CherieS 12 years ago 7/31/2013 5:34 PM

=(10 r + 5)^2

=(10*4 + 5)^2

=(40 + 5)^2

=(45)^2

=2025