Aboard 12 3 4 feet long is cut so that 9 7 8 feet are left. what length of the board was cut off? a) 2 1 2 ft b) 2 7 8 ft c) 3 1 2 ft d) 3 7 8 ft

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

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.