17.3+v=22.32 what is the value of v

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

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

What is the value of f(x) = 2.2 for f(-2)?