At a local fitness center, members pay an $8 membership fee and $4 for each aerobics class. nonmembers pay $6 for each aerobics class. for what number of aerobics classes will the cost for members and nonmembers be the same?

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

What is the value of the expression below? (81^2)^1/8

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?