If you make $8 an hour and you get a 10% raise how much are you making now

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

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

When y’all answer can y’all explain too !