Factor the difference of cubes.8a3 - 27b3
A. (2a + 3b)(4a2 - 6ab + 9b2)
B. (2a - 3b)(4a2 + 9b2)
C. (8a - 3b)(a2 + 6ab + 9b2)
D. (2a - 3b)(4a2 + 6ab + 9b2)
Answer: D
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Provide an appropriate response. A total of 20 pounds of nuts were purchased for $22.80; some were cashews and the others were peanuts. Cashews cost $1.05 per pound and peanuts cost $1.20 per pound. How many pounds of peanuts were in the mixture?
A. 14 pounds B. 12 pounds C. 10 pounds D. 8 pounds
Solve the problem.An election involving 6 candidates and 20 voters is held and the results of the election are to be determined using the Borda count method. Assuming there isn't a six-way tie, the maximum number of points a losing candidate can receive is
A. 60 points. B. 30 points. C. 70 points. D. 20 points. E. none of these
Find the amount of the sale before sales tax was added. Round to the nearest cent.Total Sale: $536.81Sales Tax Rate: 4%
A. $516.16 B. $383.44 C. $521.17 D. $511.25
Solve the equation by completing the square.3x2 - 2x - 3 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {-3, 
}