What is f(2) for f(x)=2x^4-5x^2-3x+2

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

In the geometric progression –3, 12, −48… what term is 3,072?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?