Use either the binomial theorem or Pascal's Triangle to expand the binomial.(2 - x)5
A. 1 - 5x +10x2 - 10x3 + 5x4 - x5
B. 32 - 16x + 8x2 - 4x3 + 2x4 - x5
C. 32x - 80x2 + 80x3 - 40x4 + 10x5
D. 32 - 80x + 80x2 - 40x3 + 10x4 - x5
Answer: D
Mathematics
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Multiply.
yz(10x - 6y6 + 2y)
A. 
xyz - 2y7z + 
yz2
B. 
xyz - 6y6 + 2y
C. 
xyz - 2y7z + 
y2z
D. 
xyz - 2y6z + 
y2z
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Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary.2x + 5y = -7-6x - 15y = 21
A. {(-1, -1)}
B. ?
C. 
D. 
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Provide an appropriate response.Sketch a graph of f(x) = 
What will be an ideal response?
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Solve the problem.A certain drug comes in 2000-mg pills. How many of these pills do you have to take to get a dosage of half a gram?
A. 5
B. 4
C. 
D. 
Mathematics