Group of people are taking the train home 19 people get off the train , 17 people then get on. now there are 63 people on the train. how many were there to begin with?

Elijah and his sister went to the movies. they had $34 altogether and spent $9.50 per ticket. elijah and his sister bought the same snacks. write and solve an inequality fotlr the amount that each person spent on snacks. interpret the solition

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?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.