Find the value of the underlined digit 6035 which 3 is underlined digit

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

Is the number 128.439 a rational number

Using the rise/run counting method, the slope of the line is