Please help me answer these

Sat no calculator section question in the picture

What is likely to happen if a new aggregate demand curve moves to the right? prices and output would drop, and the equilibrium point will stay the same. prices would rise, and output would drop in the short run. prices and output would rise, and the equilibrium point will change. prices would rise, and output would drop in the long run.

What is a good tip to follow in the day you take the aspire test or psat