Algebra 2 ! i am terrible at algebra and i have loads of stuff to do today can you me with this? ? explain to me what the correct answers are and how to get them in preparation for the unit test!

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.