1/8 + 1/4 ?? Why do I need 20 characters to summit this

Really need on these. i have no idea what to do

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

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?