Louis plans to buy a new washing machine. The washing machine costs $580 and has an estimated annual operating cost of
sis. Which rational function models the average amual cost in blars of owning the washing machine forx years?

Bill makes leather shoes. he charges $45 for a pair of women's shoes and $50 for a pair of men's shoes. he sells x pairs of women's shoes and y pairs of men's shoes each week and earns a total income of $2,500. this situation can be represented by the equation . if bill has no female customers during a particular week, he needs to sell pairs of men's shoes to earn his weekly income of $2,500.