Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Decide whether or not the network is traversable.
A. Traversable B. Not traversable
Mathematics
Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. 
B. 
C. 
D. 
Mathematics
The percent of mothers who work outside the home and have children younger than age 6 yr is approximated by the function 
where t is measured in years, with 
corresponding to the beginning of 1980.
?
Compute 
. Round your answer to the nearest thousandth.
?
__________% per year in the second power
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system of equations by either the addition method or the substitution method.
A. no solution B. (-7, -4) C. (7, -5) D. (6, -4)
Mathematics