Convert2/3=\15toan equivalent form with a given

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

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.

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?