Simplify.The volume of a spherical shell with outer radius R and inner radius r is  Write this formula without parentheses and without multiplication signs.

A. V =  - r3
B. V = 
C. V =  
D. V = 4?R3 - 4?r3 


Answer: B

Mathematics

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A. A = 5 m2
B. A = 16 m2
C. A = 8 m2
D. A = 2 m2

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Factor completely.33x4y2 + 54x3y2 - 24x2y2

A. x2y2(x - 2)(11x + 4) B. 3x2y2(x + 2)(11x - 4) C. 3(x + 2)(11x - 4) D. 3x2y2(x + 2)(11x + 4)

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A. - 
B.
C. - 
D.

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Simplify the expression.5

A.
B.
C.
D.

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