Find thr next number in the sequence 6,11,16,21

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?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)