Mathematicians estimated the value of π by comparing the area and volumes of different circles and spheres. Solve the following two equations for π. A = πr2 V= 4/3πr3

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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.

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?