Factor completely.15x2 + 8xy - 16y2
A. (3x + 4y)(5x - 4y)
B. (15x + 4y)(x - 4y)
C. (3x - 4y)(5x + 4y)
D. prime
Answer: A
Mathematics
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Find the requested value using the given stock table. 
Sales volume for the day for CommercialAir (CMA)
A. 1,771,800 B. 177.18 C. 17,718 D. 177,180
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Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
+ 
A. -2
B. 10
C. 10
D. 70
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Solve and graph the solution set on a number line.|4x + 1| ? 4
A. 
B. 
C. 
? 
D. 
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Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = x3 - x
A. y = 6x - 6 B. y = 6x + 6 C. y = -6x + 6 D. y = -6x - 6
Mathematics