Carrie is finding the set of even numbers within the set of prime numbers.
Of the sets described, which is the universal set?
RE
all real numbers
all integers
prime numbers
even numbers

Select a graph that have an equation with a < 0

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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