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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?

An angle that measures between 90 and 180° is called a(,

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.