Lisa borrows $2850 at 4.3% simple interest per year. when lisa pays the loan back 9 years later, what is the total amount that lisa ends up repaying?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Need showing work for this problem 56.25 ×25.80

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax