How and people's are .

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan 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?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5