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For each proportion find the unknown number x 1/5/8=×/15
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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.
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Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39
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Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle
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Scale factor= 0.9999 , is enlarge, reduce, or preserve...
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