Find different polar coordinates (r, ?) for the same point under the given conditions.
, r < 0 and 2? < ? < 4?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Combine the following, if possible.
+ 2
+ 2
A. 4
B. 25
C. 4
D. 25
Mathematics
Solve the equation by completing the square.16n2 + 24n + 9 = 0
A. 
, 
B. - 
, - 
C. 
, 
D. - 
, - 
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 1
B. 
C. 0
D. Diverges
Mathematics
Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 18
Mathematics