Tiffani buys a new pair of shoes. She spends $81 including an 8% sales tax. What was the original price of the shoes to the nearest dollar?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

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?

Prove that quadrilateral is a rhombus.