Taylor is 15 years younger than Marty. Twice Marty's age added to three times Taylors age totals 205. What are the ages of Taylor & Marty?

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?

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.