Select all of the expressions that are equal to 6, (6) (-6) -(6) ) (0-6) (-2) •(3)

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.