Melanie has to purchase a book for $200 and the study guide that goes with the book cost $31.5. if the sales tax is 8.25% what will be the amount of sales tax on melanie's purchase

let that person have a turn to speak : )

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.