What is the gcf of 15,9

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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