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Manhattan Prep
If there are x men and y women in a choir, and there are z more men than there are women in that choir, what is z?
1) x^2-2xy+y^2-9=0
2) x^2+2xy+y^2-225=0
OA A
If there are x men and y women in a choir, and there are z more men than there are women in that choir, what is z?
1) x^2-2xy+y^2-9=0
2) x^2+2xy+y^2-225=0
OA A
