If a pine tree grows 3 inches per year, how long will it take for the tree to reach a height of 11 feet?
A. 40 years
B. 36 years. C. 44 years
D. 52 years

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.