Subtract 4 ounces from 5 pounds. 3 lb, 12oz. 3 lb, 8oz. 4 lb, 12oz. Or 5 lb, 6oz?

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Step-by-step explanation:

Answer is 4 lb.,12 oz. As one pound has 16 ounces. When we convert the given 5 lb. into ounces we multiply it by 16. 5 lb = 5 x 16 oz 5 lb = 80 oz When we subtract 4 oz from 80 oz We get 80 - 4 = 76 oz Which is 64 oz + 12 oz (16 x 4) oz + 12 oz Which will be 4 lb. + 12 oz So the answer will be 4 lb., 12 oz.

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225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225