Subtract.12 - (-1)
A. -11
B. 13
C. 11
D. -13
Answer: B
Mathematics
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Rationalize the denominator and simplify. 
A. 60
B. 
C. 11
D. 
Mathematics
Evaluate the expression.
A. 336 B. 6720 C. 20,160 D. 56
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.2x2 + 2y2 - 8x + 16y + 22 = 0
A. (h, k) = (2, -4); r = 9
B. (h, k) = (-2, 4); r = 3
C. (h, k) = (2, -4); r = 3
D. (h, k) = (-2, 4); r = 9
Mathematics
Solve the system using the matrix method.
?
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Please enter your answer in the form x = , y = , z = .
What will be an ideal response?
Mathematics