The perimeter is 30in. if the length is three times the width what is the dimensions

For how answer my question this will be the last question can you answer in math subject

Describe the domain and range of y=2(3)^x-2+5

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?