Goodmorning, Anyone know the answer to this?

At which value in the domain does f(x) =0?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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?