suppose a polynomial function of degree 3 has zeros -1/3 ,2 and 8 .The polynomial also has a leading coefficient of 3 .factor the function over the real numbers​

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?

Would greatly appreciate these 3 answers

What ratio is proportional to 18/21