Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 1
D. 
Answer: A
Mathematics
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Evaluate the expression below. ? 4-1 ?
A. 
?
B.
?C. 4
D.
?E. 1024
Mathematics
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.x2 + 2xy + y2 - 8x + 8y = 0
A. x = 
x' - 
y' and y = 
x' + 
y'
B. x = -y' and y = x'
C. x = 
(x' - y') and y = 
(x' + y')
D. x = 
x' - 
y' and y = 
x' + 
y'
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.729-1/3
A. 9
B. 
C. 
D. -9
Mathematics
Match the equation to the correct graph.y = 
(x - 5)2 + 6
A. 
B. 
C. 
D. 
Mathematics