Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. 
C. 
D. 
Answer: B
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Find the common difference,d, of the given arithmetic sequence.- 
, - 
, - 
, - 
, ...
A. -4 B. - 2 C. 5
Determine whether 9 is a factor of the number.11,961
A. Yes B. No
Write the fraction in simplest form using the method of your choice.
A. 
B. 
C. 
D. 
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of 
+ i
A. 
(cos 30° + i sin 30°), 
(cos 102° + i sin 102°), 
(cos 174° + i sin 174°), 
(cos 246° + i sin 246°), 
B. 32(cos 6° + i sin 6°), 32(cos 78° + i sin 78°), 32(cos 150° + i sin 150°), 32(cos 222° + i sin 222°), 
C. 32(cos 30° + i sin 30°), 32(cos 102° + i sin 102°), 32(cos 174° + i sin 174°), 32(cos 246° + i sin 246°), 
D. 
(cos 6° + i sin 6°), 
(cos 78° + i sin 78°), 
(cos 150° + i sin 150°), 
(cos 222° + i sin 222°), 