Multiply and simplify.(z - 10)(z + 1)
A. z2 + 9z + 10
B. z2 - 9z - 10
C. 2z2 + 10
D. 2z - 10
Answer: B
Mathematics
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A. 
B. 
C. 
D. 2
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Find the quotient using long division.
A. x2 - 81 B. x2 - 9x - 81 C. x2 - 9x + 81 D. x2 + 9x + 81
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Find the indicated sum or difference, if it is defined.
+ 
A. 
B. not defined
C. 
D. 
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The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.9, 21, 33, 45, 57, ...
A. an = 3(4n - 1) B. an = 9(12)n-1 C. an = 3n - 12 D. an = 12n - 1
Mathematics