Answer 1

demand and supply curves shift in opposite direction

Cases	Equilibrium Price	Equilibrium Quantity	Figure
1. Increase in Dd = decrease in SS	Increase	Unchanged
2. Decrease in Dd = increase in SS	Unchanged	Increase
3. Decrease in Dd < increase in supply	Decrease	Increase
4. Decrease in Dd > increase in supply	Decrease	Decrease
5. Increase in Dd < decrease in SS	Increase	Decrease
6. Increase in Dd > decrease in SS	Increase	Increase