Answer:
a. The Decimal System
Explanation:
The Decimal System, is one of the great mathematical innovation form ancient India. There is no clear date and place about the invention the decimal system.
It was first recorded in India, then spread to Islamic world, and further to Europe. Decimal system gave a unique turn to the world of mathematics and made the counting or measurement easy.
Hence, the correct answer is "a. The Decimal System".
Efficiency wages may cause a <u>surplus</u> of labor because they are <u>above</u> the equilibrium wage.
The efficiency wage is higher than the equilibrium wage, which might result in a labor supply.
Since the efficiency wage in question is higher than equilibrium wages, there will be a labor surplus since more individuals will be eager to work as a result of the wage rise. Due to the fact that supply is more than demand, this will result in a rise in supply and an excess of labor.
There is a labor surplus in the sense that a sizeable segment of the work force produces less than it consumes and its marginal product is below the wage agreed upon via negotiation.
To learn more about equilibrium wages
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Answer:
https://www.npr.org/2021/09/09/1035418739/novels-and-short-stories-that-have-been-inspired-by-9-11-attacks
It's not the middle or the west of the US. Because when the US was expanding in the 19th century - and when many regions were initially being named - the “Midwest” was to the west of the main population centers in the “13 colony” states on the Eastern Seaboard