Sandy receives a $50000 salary for working as an engineer. If Sandy spends 60% of her salary on expenses each year, then how much money does Sandy have to spend on
expenses? Round your answer to the nearest whole number.

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.

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Rationalize the denominator- 12x/√x-10