Giving Brainliest!! HELP! Please help me on this question. I also need work. (How you solved it.) Please give me the answer for "x" AND "y"

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

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?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*