2. Lines BC and DE are both vertical. What is the length of AD? 2
B
D
3
A. 4.5
B. 5
C. 7.5
D. 10

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.