Achameleon is looking for prey. let positive numbers represent the elevation of prey above the chameleon and negative numbers represent the elevation of prey below the chameleon.
the chameleon spots a fly at 4m and a grasshopper at -6m. what does an elevation of 0 represent in this situation?

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.