Specify the center and radius of the circle.(x - 2)2 + (y + 6)2 = 4
A. center: (6, -2); radius: 4
B. center: (-6, 2); radius: 2
C. center: (2, -6); radius: 2
D. center: (-2, 6); radius: 4
Answer: C
Mathematics
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Determine the probability using a probability tree.A bag contains 3 red and 7 yellow marbles. Two marbles are drawn without replacement. Determine the probability that one marble of each color is drawn.
A. 
B. 
C. 
D. 
Mathematics
Approximate f(x) to four decimal places.f(x) = e-x, x = 0.8
A. 2.1746 B. 0.4493 C. 2.2255 D. 0.2943
Mathematics
Solve for the specified variable.P = 
for r
A. r = 
B. r = P - tA
C. r = 
D. r = 
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Write the expression in standard form.(7 + 3i) - (-9 + i)
A. 16 - 2i B. -16 + 4i C. 16 + 2i D. -16 - 2i
Mathematics