Which equation represents the same line points as the table

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?

The tile along the edge of a triangular community pool needs to be replaced? ?

Which of the following equations is equivalent to x/3-6/x=1