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 all the women sit together and all the men sit together?
A. 1152
B. 576
C. 48
D. 256
Answer: A
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Find the first five partial sums of the given series and determine whether the series is convergent or divergent. If it is convergent, then find its sum.
A. 0.6667, 0.8, 0.8571, 0.8889, 0.9091; convergent; 0 B. 0.6667, 1.4667, 2.3238, 3.2127, 4.2128; convergent; 4.5 C. 0.6667, 1.4667, 2.3238, 3.2127, 4.2128; divergent D. 0.6667, 0.8, 0.8571, 0.8889, 0.9091; divergent
Use an Euler diagram to determine whether the argument is valid or invalid.Rational numbers are real numbers.Integers are rational numbers. Therefore, integers are real numbers.
A. valid B. invalid
If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.III, 
A. Negative B. Positive
Solve. Use ? = 3.14 and round your answer to the nearest hundredth.A manhole cover has a diameter of 24 in. What is the length of the brass grip-strip that encircles the rim of the cover making it easier to manage?
A. 37.68 in. B. 452.16 in. C. 75.36 in. D. 150.72 in.