Circle each relation below that is a function.

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The volume of a cube is 8 in to the 3rd power. how long is each side?

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.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?