What is does 4x + 9 = 68

What is the greater volume 72 quarts or 23 gallons

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.

Which of the following will form the composite function?