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What must students do with the 10 gird-ins on the math section of the psat

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?