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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.

Select the number of ways in which a line and a circle can intersect

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week