Can I get some help with these questions?

The country has entered a period of economic growth, but prices are rising too rapidly. To stabilize prices, the Federal Reserve decides to

Adecrease the federal funds rate
Bdecrease the reserve requirement
Craise the discount rate
Dbuy more government securities

Mark washes his jeans and finds that the $20 bill that was in his pocket is in four pieces. He takes the four pieces to the bank and receives a nice crisp $20 bill. What function of money does this illustrate?

AMeasure of value
BMedium of exchange
CDivisibility
DStore of value

3.A free trade agreement lowers restrictions on trucking across International borders. Which of the following would be a negative externality for the local environment?

AHigher costs for domestic goods
Bfewer imports of renewable resources
Cmore water consumption
Dan increase in air pollution

The right answer for the question that is being asked and shown above is that: "D) buy more government securities."

The right answer for the question that is being asked and shown above is that: "B) Medium of exchange."

The right answer for the question that is being asked and shown above is that: "B) fewer imports of renewable resources"

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