11 > t + 9 can someone plz me with this

Me with this one question, and i'll upvote the brainliest answer

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.