Solve for the indicated variable r-6m=n for "r"

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?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Find the value of x. give reasons to justify your solutions! c ∈ ae