Augustina painted a portait on a circular canvas. the circumference of the canvas is 1.5 pie feet. which measurement is closest to the area of the canvas in square feet.

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.