Use a graphing calculator to solve the system. Round to the nearest thousandth. 0.4x + 
y = 1
x + 0.8y = 1
A. ?
B. {(0.216, 0.646)}
C. {(0.097, 0.980)}
D. {(0.176, 0.757)}
Answer: B
Mathematics
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A. (1, 2), (-1, 2), (1, -2), (-1, -2) B. (2, 1), (2, -1), (-2, 1), (-2, -1) C. (2, 1) and (-2, -1) D. (-1, 2) and (1, -2)
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Solve the problem.Numbered disks are placed in a box and one disk is selected at random. If there are 8 red disks numbered 1 through 8, and 6 yellow disks numbered 9 through 14, find the probability of selecting a red disk, given that an odd-numbered disk is selected.
A. 
B. 
C. 
D. 
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Simplify the power of i.i-26
A. -1 B. -i C. 1 D. i
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Use a vertical shift to graph the function.y = -4 sin 
- 2 
A. 
B. 
C. 
D. 
Mathematics