Find the difference of 58.72 - 5.8.

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?

Which expression is rational? 6. , square root two, square root 14, square root 49

Pls never taught i’m really confused and i rlly need