Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.A ? C

A. {1, 2, 3, 5, 7, 9}
B. {4, 6, 7, 9}
C. {1}
D. {1, 2, 3, 4, 5, 8, 9}


Answer: D

Mathematics

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Solve the problem.For the study described below, identify the population parameter.A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.

A. The average stress rating for all emergency-room nurses in the world B. All emergency-room nurses in the U.S. C. The average stress rating for all emergency-room nurses in the U.S. D. The average stress rating for the 275 emergency-room nurses interviewed

Mathematics

Add or subtract.-2 - 

A. 4
B. - 4
C. - 5
D. 4

Mathematics

Find the derivative of the function.y = 

A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 

Mathematics

(4xy2)2 =

a. 4x3y5 b. 16x3y4 c. 16x2y4 d. 4x2y4 e. 4x4y4

Mathematics