a group of 6 student was asked how many hours did you watch television las week , here are thir responses 9,11,16,19,19,6

What two criteria are needed for triangles to be similar

Factor the monomial completely 42a3b3

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