Find the center and radius of the circle.2x2 + 2y2 - 8x + 16y + 22 = 0
A. Center: (2, -4); Radius: 3
B. Center: (-2, 4); Radius: 3
C. Center: (-2, 4); Radius: 9
D. Center: (2, -4); Radius: 9
Answer: A
Mathematics
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Write the augmented matrix for the system. 4x - 2y = 16 6x + 9y = 72
A. 
B. 
C. 
D. 
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Find the indicated probability.If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. What is the probability of getting at least one head?
A. 
B. 
C. 
D. 
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
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Perform the conversion.0.40 L = _____ mL
A. 40 B. 0.04 C. 0.0004 D. 400
Mathematics