Evaluate by using polar coordinates.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate.
+ 
+ . . . + 
A. 16 B. 30 C. 32 D. 31
Mathematics
Find all values that make the expression undefined.
A. 
B. 2
C. 2, -2
D. 4
Mathematics
Find a polynomial equation with real coefficients that has the given roots.1, 7
A. x2 + 7x + 8 = 0 B. x2 + 7x - 8 = 0 C. x2 - 8x + 7 = 0 D. x2 + 8x + 7 = 0
Mathematics
Simplify the expression.9 + 2(x + 6y)
A. 9 + 2x + 6y B. 9 + 12xy C. 11x + 6y D. 9 + 2x + 12y
Mathematics