Add or subtract as indicated.(12mn2 - 6m2n2) + (
) + (-7mn + 9m2n)
A. -3m2n2 + 9m2n + 12mn2 - 15mn
B. 1mn + 12mn2 + 9m2n - 3m2n2
C. 3m2n2
D. -15mn + 21m2n - 3m2n2
Answer: A
Mathematics
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Provide an appropriate response.The polynomial 18m9 + 2m2 + 16 is called a ? .
Fill in the blank(s) with the appropriate word(s).
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Solve the formula for the specified variable.S = 
for r
A. r = 
- 1
B. r = S - a
C. r = 
D. r = 
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Convert the stock price to decimal notation and to decimal notation rounded to the nearest hundredth.The stock price of a homeowners' insurance company dropped to $41
per share after a severe hurricane caused damage to coastal regions.
A. $41.6825; $41.68 B. $41.6875; $41.69 C. $41.6825; $41.69 D. $41.6875; $41.68
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Convert the fraction to a decimal.
A. 
B. 
C. 
D. 
Mathematics