Factor completely.3x2 + 12x - xy - 4y
A. (4x - y)(x + 3)
B. (3x - 4)(x + y)
C. (3x - y)(x + 4)
D. (3x + y)(x - 4)
Answer: C
Mathematics
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A. 1601 B. 1491 C. 1511 D. 1501
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A. 9 B. -5 C. 5 D. -9
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Express the statement as an equation involving the indicated variables.The surface area S of a cube is 6 times the square of the length x of a side.
A. S = 6x B. S = 6 + x2 C. S = x2 D. S = 6x2
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Find the indicated trigonometric function for ?, given that ? is an angle in standard position with the terminal side defined by the given point.(15, -20); find csc ?
A. 
B. - 
C. 
D. - 
Mathematics