How do I solve This?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd