12 x + 5y - 10 < 0 . the point (4, y) is a solution for the inequality shown. what is a possible value for y?

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.