Can i get some with these questions?

1. the country has entered a period of economic growth, but prices are rising too rapidly. to stabilize prices, the federal reserve decides to

a) decrease the federal funds rate
b) decrease the reserve requirement
c) raise the discount rate
d) buy more government securities

2. 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?

a) measure of value
b) medium of exchange
c) divisibility
d) store 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?

a) higher costs for domestic goods
b) fewer imports of renewable resources
c) more water consumption
d) an increase in air pollution