document.write( "Question 989576: Classify each variable according to the set of numbers that best describes its values.\r
\n" ); document.write( "\n" ); document.write( "1-the area of the circle A found by using the formula πr^2
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Algebra.Com's Answer #609859 by stanbon(75887)\"\" \"About 
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Classify each variable according to the set of numbers that best describes its values.
\n" ); document.write( "1-the area of the circle A found by using the formula πr^2
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\n" ); document.write( "r:: all Real Numbers greater than zero
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\n" ); document.write( "I:: all Real Numbers greater than zero
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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