Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the following expression.
?
?
A. 
(x + y)2?
B. 
(x + y)
C. 
(x + y)
D. 
(x + y)3
E. 
(x + y)2
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the equation of a circle in standard form where C(6, -2) and D(-4, 4) are endpoints of a diameter.
A. (x + 1)2 + (y + 1)2 = 34 B. (x + 1)2 + (y + 1)2 = 136 C. (x - 1)2 + (y - 1)2 = 136 D. (x - 1)2 + (y - 1)2 = 34
Mathematics
Solve the system of equations. 3x + 5y - 2w = -13 2x + 7z - w = -1 4y + 3z + 3w = 1 -x + 2y + 4z= -5
A. 
B. 
C. 
D. (1, -2, 0, 3)
Mathematics