You bought 0.40 lb of spinach for $2.38. how much did the spinach cost per pound?

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James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Which graph has a rate of change of zero