Iris purchased a video game for $85 and then sold it for $56 after she completed the game. What was the percent decrease? Round your answer to the nearest whole percent.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?