Perform the operation and simplify, or solve the equation for the variable.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Determine whether the graph is a complete graph.
A. No B. Yes
Mathematics
Graph the polar equation.r cos ? = 3
A. 
B. 
C. 
D. 
Mathematics
Divide.98 ÷ 0
A. 0 B. 1 C. 98 D. undefined
Mathematics
Find the first five terms of the recursively defined sequence.a1 = 2, an+1 = 
A. 2, 
, 2, 
, 2
B. 2, 
, 
, 
, 
C. 2, 
, 4, 
, 8
D. 2, 
, 
, 
, 
Mathematics