Follow the proper order of operations to evaluate the following.

A. 0
B. 2
C.
D.

Answer: C

Mathematics

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Find dy.2x2y - 6x1/2 - y = 0

A.  dx
B.  dx
C.  dx
D.  dx

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Mathematics

Use the basic trigonometric identities and the given information to find the exact values of the remaining trigonometric functions.csc ? = -  and cot ? = - 

A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 

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Mathematics

Simplify.

A. - 
B.
C. - 
D.

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Mathematics

Solve the problem.Find the expected number of boys in a family of 4 children.

A. 3 B. 2 C. 2.75 D. 2.5

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Mathematics