Need help for question 1-4

Explain what would be the effect on the dollar/ euro exchange rate if economic growth increased in the EMU but not in the United States. Explain what would be the effects on the dollar/euro exchange rate if the price level increased in the United States than in the European Monetary Union (EMU). Explain what would happen to the dollar/euro exchange rate if the interest rate increased in the United States but remained unchanged in the European Monetary union (EMU). Explain what would happen to the dollar/euro exchange rate if suddenly the expectations arises that the U.S, dollar will appreciate in the future