Add and simplify.
+ 
A. 
B. 
C. 0
D. - 
Answer: B
Mathematics
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For the given equation, find the vertex or vertices.r = 
A. (1, 0)
B. (1, ?)
C. 
D. 
Mathematics
Graph the system of inequalities.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.
A. -233.29 B. -235.14 C. -234.57 D. -234.29
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. b
B. 
C. 
D. 6
Mathematics