Describe the zero vector (the additive identity) of the vector space 
?

A. ?
B. ??
C. ?
D. ??
E. ??


Answer: A

Mathematics

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A. 9x3yz2 - 9x3 B. 9x3yz2 - 9x3z C. 9x3yz2 + 9x3z D. 9xyz

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Use the square root property to solve the quadratic equation.(2x - 9)2 = 50

A.
B.
C.
D.

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Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.

A. 8n8
B.
C.
D.

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Perform the indicated operation. Assume that all variables represent nonnegative real numbers.5 + 5 

A. 1360 
B. 30 
C. 30
D. 10 + 5 

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