What is the probability of drawing 4 diamonds from a standard card deck without replacing the cards after each draw?
?

A.


B.


C.


D.



Answer: A

Mathematics

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Solve the problem.Find the length of the curve y =  -  ln x, 2 ? x ? 4.

A. 3 +  
B. 3 + ln 2
C.
D. 2 + ln 3

Mathematics

Plot the point whose polar coordinates are given.(-2, -5?/4)

A.

B.

C.

D.

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Solve.10x2 + 21x > 10

A. x < -  or x > 
B. -  < x < 
C. -  < x < 
D. x < -  or x > 

Mathematics

Find the specified domain.For f(x) =  and g(x) = , what is the domain of g ? f?

A. (-?, 0) ? (0, 5) ? (5, ?)
B. (-?, 5) ? (5, ?)
C. (-?, 0) ? (0, ?)
D. (-?, 0) ?  ? 

Mathematics