Factor completely.(m + n)b2 + (m + n)b + 7(m + n)
A. (m + n)(b2 + b + 7)
B. b(m + n)(b + 8)
C. (m + n)(b2 - b + 7)
D. (m + n)(b + 7)(b - 7)
Answer: A
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(x); x = g(p, q, r)
A. 
= 
B. 
= 
C. 
= 
D. 
= 
+ 
+ 
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Determine whether the argument is valid or invalid.Sam plays tennis or George is not a man. If George is not a man, then Betsy does not win the award. Betsy wins the award. Therefore, Sam does not play tennis.
A. Invalid B. Valid
Mathematics
Provide an appropriate response.Explain why it is necessary for the signs within a pair of conjugates to differ.
What will be an ideal response?
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Simplify. 
A. 
B. - 
C. 
D. - 
Mathematics