if the differences of the roots of quadratic equation is 5 and differences of their cubes is 215 find the quadratic equation​

What's the difference between: x≥0 and nonnegative integer. ?

15 point ! ~ see if you know the answer to both you!

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