Find all real solutions to the system of equations using the substitution method.y = x2 - 12x + 36x + y = 8
A. (4, 12), (7, 1)
B. (6, 2)
C. (4, 4), (7, 1)
D. (-4, 12), (-7, 15)
Answer: C
Mathematics
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+ 
= 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 6? units3 B. 6 units3 C. 12? units3 D. 6?2 units3
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Find the function value using a calculator set in RADIAN mode. Round the answer to four decimal places, where approximate.sin 
A. 0.9504 B. 0.2225 C. 0.7524 D. 0.9749
Mathematics
Graph the equation.y = (x - 2)2
A. 
B. 
C. 
D. 
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Determine whether the quantity is a variable or a constant.The number of meters in five kilometers
A. constant B. variable
Mathematics