Which two expressions are equivalent to 20 + 48 ?

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?

What is the y intercept of f(x)=(1/2)^x?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box