mariahjsparkman
mariahjsparkman mariahjsparkman
  • 01-05-2017
  • Mathematics
contestada

Evaluate 9x^2y^-2 for X=-3 and y=2

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fussellk
fussellk fussellk
  • 01-05-2017
I got 40.5 but it's questionable...

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please help me . sooooooooooon