HELP ME PLEASE [IREADY DIAGONSTIC]

Select a graph that have an equation with a < 0

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.

Use circumcenter theorem to solve for the given values