Weegy: B)The sale decreases the money supply. [ and that's the purpose of open market operations in the first place - to increase or reduce the monetary base and subsequently the money supply in the economy thru the multiplying effect by injecting liquidity into or taking out of the bank reserves. ] (More)

Weegy: The reserve requirement is rarely changed because it can be disruptive to the whole banking system, due to it affecting the amount of reserves that banks need to hold. (More)

Weegy: 162 degrees. The formula for finding the sum of the interior angles of a polygon is
180(number of sides-2)
In this case 20
20-2=18
18(180)=3240
Now you have the sum of the interior angle, divide the sum by the number of sides. In this case 20. [ 3240/20=162 ] (More)

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