A diagonal of a quadrilateral is 16 m. The off-sets are 6 m and 8 m. What is the area of the quadrilateral​

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.