The area of a rectangle is 3x^2+15x+18 and its height is x + 3. Find the binomial expression that represents the perimeter of the rectangle. What is the coefficient of the leading term in that binomial?

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.