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. 40,320
C. 24
D. 192
Answer: A
Mathematics
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Provide an appropriate answer.Find 
when u = 0 and v = 
if z(x, y) = sin x + cos y, x = u ? v, and y = u + v.
A. 
= 2
B. 
= 1
C. 
= -1
D. 
= 0
Mathematics
Perform the indicated operation.-25 - 15
A. 40 B. 10 C. -10 D. -40
Mathematics
Provide an appropriate response.When any nonzero number is divided by 0, the result is 
.
A. 0 B. impossible to compute C. the nonzero number D. 1
Mathematics
Factor completely.16x2 - 56x - 32
A. (16x - 8)(x + 4) B. 8(2x - 1)(x + 4) C. 8(2x + 1)(x - 4) D. (2x - 1)(8x + 32)
Mathematics