Find k if y = 64 and x = 16

Every time you drive you will experience a combination of driving conditions and environments.

The heaviest 16% of all men in weight weigh more than how many pounds ?

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