Determine the value of x knowing the total area equals 45cm

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?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect