Perform the indicated operations. + 

A. - x6 - 
B. x2 - x - 
C. x4 - x2 - 
D. - 2x2 - x + 


Answer: B

Mathematics

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Write the equation in standard form. Then identify the vertex of the parabola.x = -2y2 + 9y - 7

A. x = -22 + 
B. x = -22 + 
C. x = -22 + 
D. x = 22 - 

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Find the product and simplify. ? 

A.
B.
C.
D. 15

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Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A sphere with diameter 10 ft

A. 4186.7 ft3 B. 294.4 ft3  C. 523.3 ft3  D. 104.7 ft3 

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Solve the absolute value inequality. Write your answer in interval notation.|8k - 3| ? 8

A.
B.  ?  
C.
D.  

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