Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Four married couples have reserved eight seats in a row at the theater. If they arrange themselves randomly, what is the probability that all the women will sit in adjacent seats and all the men will sit in adjacent seats?
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral using the given substitution.
dt, u = 3 - sin 
A. 
3sin 
+ C
B. 
3 + C
C. 4
3 + C
D. - 
3 + C
Mathematics
Evaluate the expression.(-7)0
A. 0 B. 1 C. -1 D. 7
Mathematics
Evaluate.(7x)2/3
A. 7
B. 
C. 
D. 
Mathematics