Evaluate. -  

A. -  
B.
C.
D.

Answer: A

Mathematics

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Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by x = 2tan , x = 0, y = - 

A. 6? - ?2
B. 12? - 3?2
C. 12 - 3?
D. 3? + 3?2

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Find the value of the expression.| -7 | - | -20 - 16 |

A. -43 B. 29 C. 43 D. -29

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Evaluate the expression.4[-2 + 5(-7 + 4)]

A. -23 B. -36 C. -40 D. -68

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Write the indicated event in set notation.When four coins are tossed, exactly three tails are obtained.[Hint: When four coins are tossed, the following 16 outcomes are possible:HHHH HHHT HHTH HHTTHTHH HTHT HTTH HTTTTHHH THHT THTH THTTTTHH TTHT TTTH TTTT]

A.
B.  
C.  
D.  

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Mathematics