Help help help help help esp

Can you me find area of the shaded region?

When will division i requirements change? requirements change every four years requirements change every year august 2016 requirements change every other year

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.