Homework Help: arithmetic

Posted by Anonymous on Friday, September 28, 2012 at 7:52pm.

If the average of a and b is 10 and a^2 - b^2 = 80, what is the value of b?

arithmetic - Ms. Sue, Friday, September 28, 2012 at 7:59pm
8
arithmetic - srinivas, Monday, October 15, 2012 at 2:05am
8

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