Solve the problem.The five sales people at Southwest Appliances earned commissions last year of $13,000, $22,000, $47,000, $15,000, and $24,000. Find the mean commission.

A. $26,620
B. $22,990
C. $24,200
D. $25,410


Answer: C

Mathematics

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Find the sum.-24 + 17

A. -7 B. 7 C. 41 D. -41

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Factor the sum or difference of two cubes.729x3 + 512

A. (729x - 8)(x2 + 72x + 64) B. (9x + 8)(81x2 - 72x + 64) C. (9x - 8)(81x2 + 72x + 64) D. (9x + 8)(81x2 + 72x + 64)

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Describe the strength and direction of the linear correlation.The ages and lengths of several animals of the same species are recorded in the following table:

A. Weak positive linear correlation B. Weak negative linear correlation C. Little or no linear correlation D. Strong negative linear correlation

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Find a general term an for the geometric sequence.8, - 2, , - , ...

A. an = 8  n-1
B. an = 6  n-1
C. an =   n-1
D. an = 8  n-1

Mathematics