Answer:
2. in the short run, as aggregate demand increases, unemployment is reduced.
Explanation:
The government misjudging the natural rate of unemployment to be much lower than it actually is, and thus undertaking expansionary fiscal and monetary policies to try to achieve the lower rate. These policies might at first succeed because in the short run, as aggregate demand increases, unemployment is reduced due to the expansionary policies. 
 
        
                    
             
        
        
        
The correct answer is B. Urbanization lowers the peak discharge of streams and decreases the lag time after a rainstorm.
 
        
             
        
        
        
Answer: Investing activities
Explanation:
The appropriate section in the statement of cash flows for reporting the purchase of equipment for cash is referred to as the investing activities.
The operating activities has to do with the reporting of cash payment for wages. The financing activities has to do with reporting issuance cash for the common stock.
 
 
        
             
        
        
        
Answer:
Increase and decrease the interest rate in the economy by a certain percentage
Explanation:
The Federal Reserve can influence the prevailing interest rates. However, it cannot increase or decrease the interest rate in the economy by a certain percentage. The Federal Reserve influences interests rate by adjusting the fed funds rate.  The feds fund rate is the interest rate that banks charge each other when they borrow from each other.
The Federal Reserve can lend to commercial banks, Adjust reserve requirements, and buy and sell U.S. securities.
 
        
             
        
        
        
Answer:please refer to the explanation section
Explanation:
Mechanic = $100
Vet = $100
Alex (payment from vet) = $100
Will's $100 bill has created $300. 
This situation is explained in detail by the concept known has the multiplier. The multiplier measures how much impact will a change in an exogenous variable will cause in endogenous variables, for example How much a increase in Government spending will change Gross Domestic Product.
The multiplier in this case is 3,