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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.

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

What is the value of the product (3-2i)(3+2i)?