Compute the determinant of the matrix by cofactor expansion.
A. 0
B. -12
C. -24
D. 24
Answer: D
Mathematics
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Find an equation of the line.Parallel to y = 6, through (4, 7)
A. y = 
x + 6
B. y = 4
C. x = 4
D. y = 7
Mathematics
Solve the equation by the zero-factor property.2x2 - 3x - 5 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Write a polynomial that represents the total area of the six sides of a cube if each side has length (n + 2).
A. 6(n2 + 4) B. 6(n2 + 4n + 4) C. 4n2 + 4n + 4 D. 6(n + 4)
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 3m - 5
D. 
Mathematics