List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. C' ? A'
A. {r, t}
B. {q, r, s, t, u, v, x, z}
C. {q, s, u, v, w, x, y, z}
D. {w, y}
Answer: A
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Tell whether the statement is true or false. If false, give the reason.{6} = {x|x is an even counting number between 8 and 14}
A. True B. False; 6 is less than 8 C. False; 6 is a set, and not an element of the set. D. False; 6 is less than 14
Evaluate the integral by changing the order of integration in an appropriate way.
A. 5 ln 2 ln cos 6
B. - 
ln 2 ln cos 6
C. - 5 ln 2 ln cos 6
D. 
ln 2 ln cos 6
Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?.
If the standardized value of x is -1.25, then x =
A. 62.5. B. 42.5. C. 65. D. 51.25. E. none of these
Simplify the expression.23 - [6 - (3 - 9)] + (5 - 7)3
A. 19 B. 3 C. 31 D. -19