Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the largest open interval where the function is changing as requested.Decreasing f(x) = - 
A. (3, ?) B. (-?, -3) C. (-3, ?) D. (-?, 3)
Mathematics
Solve the problem.If the Hamilton Method is used to apportion legislative seats to five states with the populations given in the table, then the Alabama Paradox occurs when the number of seats being apportioned increases from 126 to 127. 
In which state does the paradox show up?
A. b B. c C. a D. d
Mathematics
Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers.
- 
A. 12
B. 1
C. 
D. 
Mathematics
Add or subtract.[(1 + 8i) - (8 + 9i)] - (1 - 6i)
A. 10 + 5i B. 10 + 11i C. -8 + 11i D. -8 + 5i
Mathematics