Use the Fundamental Counting Principle to solve the problem.Four married couples have reserved eight seats in a row at the theater, starting at an aisle seat. In how many ways can they arrange themselves if no couple is to be separated?
A. 384
B. 24
C. 40,320
D. 192
Answer: A
Mathematics
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Graph the circle.x2 + y2 = 9
A. 
B. 
C. 
D. 
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Let 
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Find the value of k that will make f continuous on 
.
?
A. 
B. 
C. 
D. 
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Solve for x in the given interval.tan x = -1, 
? x ? 2?
A. 
B. 
C. 
D. 
Mathematics
Solve. Round to the nearest thousandth, if necessary.ex + 7 = 5
A. {-5.391} B. {-5.295} C. {-4.515} D. {2.485}
Mathematics