Factor the polynomial completely.81x2z + 126xyz + 49y2z
A. z(9x + 7y)2
B. z(9x + 7y)(9x - 7y)
C. z(9x - 7y)2
D. (9xz + 7yz)2
Answer: A
Mathematics
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; 
A. t B. 24 C. t(t - 3) D. t - 3
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Write the fraction in simplest form. Assume that all variable factors in the denominator are not equal to zero.
A. 
B. 
C. 
D. 
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Determine whether or not the function is one-to-one.f(x) = 
A. Yes B. No
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Divide, if possible. If not possible, write "not defined."2746 ÷ 6
A. 457 R5 B. 461 C. 457 R4 D. 457
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