Simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive numbers.

A. y1/2
B.
C. y9/10
D. y 

Answer: A

Mathematics

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Perform the indicated operation. - 

A.
B.
C.
D.

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Use the given vectors u, v, w, and z to draw the indicated vector. v - w

A.

B.

C.

D.

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Use negative exponents where necessary to write the expression with all variables in the numerator of a term. That is, write each term in the form cxn if the term contains a variable.y = 6x - 4 +  -  +  

A. y = 6x - 4 + 8x-4 - x-2 + 1x-3/2 B. y = 6x - 4 + 8x-4 - x-1/2 + 1x-2/3 C. y = 6x - 4 + (8x)-4 - x-1/2 + (1x)-2/3 D. y = 6x - 12 + x-4 - x-1/2 + x-2/3

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Read the English dial (the arrow near the zero indicates the initial deflection of the needle). 

A. -3.06 in. B. 0.394 in. C. 3.06 in. D. -0.306 in. E. 0.306 in.

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