Write the augmented matrix for the system of equations.5x + 4y - 7z + w = 98y + z = 3x - y - 6z = -912x - 12y + 9z = 10
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the angle of least positive measure that is coterminal with the given angle.- 
A. 
B. 
C. 
D. 
Mathematics
Factor out the greatest common factor, or a negative common factor if the coefficient of the term of greatest degree is negative.
w3 - 
w
A. 
w(4w3 - 3w)
B. 16w(4w2 - 3)
C. 
D. 
w(4w2 - 3)
Mathematics
Solve using the multiplication principle.-24.84 = -6.21w
A. -4 B. 18.63 C. -18.63 D. 4
Mathematics
Write the complex number in trigonometric form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics