The price of a pair of shoes was first increased by 10% and then decreased by 10%. the final price was what percent of the original price

Which expression is equivalent to? assume x > 0 and y > 0.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens