Which has the same difference as 12-6

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?

Is the square root of 4 plus the square root of 16 rational?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.