The table below shows the ages of ron and his brother, raymond. write a sentence that explains raymond's age in terms of ron's age.

rons age (x) rayonds age (y)
1 6
3 8
5 10
8 13

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.