Using trig find the missing angle

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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?