ILL MARK YOU BRAINIEST Data Set: 4, 7, 9, 11, 14, 15 What is the range of this data set? (only type one number as your answer)

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

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)