An old adage states that "you can't fit a square peg in a round hole." actually, you can, it just won't fill the hole. if a hole is 4 inches in diameter, what is the approximate width of the largest square peg that fits in the round hole?

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.