The polar equation of the graph is either r = a + b cos ? or r = a + b sin ?, a > 0, b > 0. Match the graph to one of the equations. 
A. r = 3 + 4 cos ?
B. r = 4 + 3 cos ?
C. r = 3 + 4 sin ?
D. r = 4 + 3 sin ?
Answer: B
Mathematics
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Divide and simplify to the form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple.-4x - y - 5z = -58-3x + 3y + 6z = 18 5x - 3y + z = 26
A. (8, 6, 4) B. (-8, 4, 6) C. (-8, 6, 16) D. (8, 4, 6)
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Use Gauss-Jordan elimination on the augmented matrix [A|B] to solve for the matrix X.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics