What experimental design best eliminates all favoritism or partially?

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Find the values of y: 3y^3(y^2+ 2/3y)=0

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?