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exercis
evaluate | (: ) - + 8 when r = -3.0 and 5

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

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.

Arational number that is equivalent to -20/4?