Jon’s piggy bank contains 12 pennies 9 nickels 23 dimes and 16 quarters if Jon chooses one coin at random how many possible outcomes are there

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.