Translate the English expression into an algebraic expression. Use x to represent the unknown number.The square root of a number

A. x2
B. 2x
C. x + x
D.

Answer: D

Mathematics

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A. 0
B.
C.
D. 1

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Evaluate the expression using a rule for exponents.0

A. 0
B.
C. -1
D. 1

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Evaluate. Assume that all variables represent positive numbers. 

A. 2s
B. s
C. -s
D.

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Determine whether the diagram could represent a function.

A. Yes B. No

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