If your total grocery store purchase is $19.83, and he gives the cashier $50.00, how much change will I get?

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

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?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective