**20 QUESTIONS** NO LINKS AND DON'T DELETE, THIS IS MY HOMEWORK I DON'T UNDERSTAND ( if you delete my homework you'll be reported!)

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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.