Factor out the greatest common factor.(x - 7)(x + 9) + (x - 7)(x + 3)
A. (x - 7)(2x + 12)
B. 2(x - 7)(2x + 12)
C. 2(x - 7)(x + 6)
D. (x - 7)(x + 12)
Answer: C
Mathematics
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A. y = sin 10x
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x
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D. y = sin 5?x
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Change the base ten number to a number in the base indicated.Write 2874 in base eight.
A. 54278 B. 45278 C. 54728 D. 45728
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Provide an appropriate response. Factor completely: 3ax + 6ay - 2x - 4y
A. (x + 2y)(3a - 2) B. (x - 2y)(3x - 2) C. (x + 2y)(x - 2y)(3a - 2) D. -6a(x + 2y)
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Write the phrase as an algebraic expression. Let x represent the unknown number.Three times a number, decreased by 68
A. 3x - 68 B. x - 68 C. 3x + 68 D. 3(x - 68)
Mathematics