Write with positive exponents. Simplify if possible.

A.
B. 40x3/8
C.
D.


Answer: A

Mathematics

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Evaluate the integral by changing the order of integration in an appropriate way.

A. - 2 ln 4 ln cos 5 B. 2 ln 4 ln cos 5 C. 2 ln 2 ln cos 5 D. - 2 ln 2 ln cos 5

Mathematics

Add or subtract as indicated. Write the answer in simplest form.-  + 

A. -  
B.
C. - 
D. - 

Mathematics

Simplify.

A.  
B.  
C.
D.  

Mathematics

Use the Binomial Theorem to expand the binomial and express the result in simplified form.(x + 3y)6

A. x6 + 18x5y + 108x4y2 + 486x3y3 + 972x2y4 + 1458xy5 + 729y6 B. x6 + 18x5y + 135x4y2 + 540x3y3 + 1215x2y4 + 1458xy5 + 729y6 C. x6 + 18x5y + 729x4y2 + 60x3y3 + 729x2y4 + 18xy5 + 3y6 D. x6 + 18x5y + 36x4y2 + 54x3y3 + 36x2y4 + 18x y5 + 3y6

Mathematics