Simplify the expression.(6 - 2
)(1 + 4
)
A. 6 + 14
B. -50 + 22
C. -386 + 22
D. -28
Answer: B
Mathematics
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Find the area of the specified region.Inside the cardioid r = ?(1 + sin ?), ? > 0
A. 
- 2?2
B. 2??
C. 
D. 
+ 2?2
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Expand using the binomial theorem.(x - 2)4
A. x4 - 8x3 - 16x2 - 32x + 16 B. x4 - 8x3 + 24x2 + 8x + 16 C. x4 - 2x3 + 24x2 - 16x + 16 D. x4 - 8x3 + 24x2 - 32x + 16
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Solve the problem.If P(A) = 0.4, P(B) = 0.2, and P(A or B) = 0.5, then what is P(A and B)?
A. 0.2 B. 0.1 C. 1 D. 0.4
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Find the standard form of the equation of the ellipse with the given characteristics and center at the origin. ? Vertices: (0,±7); focies: (0,±4) ?
A. 
B. 
C. 
D. 
E. 
Mathematics