Find the values of the variables x (and y if there is a 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 g^-1(x) is the inverse of g (x) which statement must be true

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer