Just stuck with answering a few of these questions, thanks!

Q3. An increase in inflationary expectations would cause the aggregate supply to ___ in the short run.

a. fall

b. increase

c. fluctuate

d. keep constant

Q11. Which of the following statements about aggregate demand is correct?

a. In the short run, shifts in aggregate demand do not affect the overall price level and output

b. In the short run, shifts in aggregate demand affect the overall price level but do not affect output

c. In the long run, shifts in aggregate demand affect the overall price level but do not affect output

d. In the long run, shifts in aggregate demand cause fluctuations in output

Q12. The exchange rate effect implies that a currency depreciation:

a. increases net exports

b. decreases net exports

c. does not change net exports

Q13. The exchange rate effect implies that a currency depreciation:

a. increases the quantity of goods and services demanded

b. decreases the quantity of goods and services demanded

c. does not change the quantity of goods and services demanded