Aclose swimming pool is 15 ft wide and 31 ft long the club member want to exposed arrogant border in a strip of uniform width around the pool they have enough material for 312 ft squared how wide can the strip be

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.