Find the sum of the infinite geometric series, if it exists.
A. 
B. does not exist
C. 
D. 
Answer: D
Mathematics
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Find the length of the curve.The cardioid r = 8(1 - sin ?)
A. 96? B. 64 C. 96 D. 64?
Mathematics
Solve for the specified variable.
+ 
= 
for c
A. c = a + b
B. c = 
C. c = ab(a + b)
D. c = 
Mathematics
Evaluate the expression.(-7)3
A. -343 B. -21 C. 343 D. 21
Mathematics
Divide.
A. - 
+ 
i
B. 
- 
i
C. 
+ 
i
D. - 
+ 
i
Mathematics