I need help, please. Use the graph to write a linear function that relates y to x. y=

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?

If a is a nonzero real number then the reciprocal of a is

If np3 /nc2 = 6, find the value of n