What would be the equation for problem 5?

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.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Find the solution(s) to x^2-14+49=0