Use rational exponents to simplify. Write the answer in radical notation if appropriate.

A. 81x2
B. 3x2y2
C. 3x2
D. 3x4y

Answer: C

Mathematics

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Multiply and simplify. ? 

A.
B.
C. 15
D.

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Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis  Use this law to solve the problem.Find XCif I = 6 - 2i, E = 5 - 5i, R = 9, and 

A. -  - 8i
B.  + 8i
C.  - 8i
D. -  + 8i

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How many fields of study were less than 40% male?

The double bar graph below shows the percents of associate degrees awarded to
males and females for selected fields of study in the United States in 2003. Degrees awarded
to females are graphed above degrees awarded to males.


A) 7
B) 6
C) 3
D) 5
E) 4

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Use the functions given by  and g(x) = x3 to find (f-1º g-1)(1). ?

A. 14 B. 12 C. 16 D. 20 E. 18

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Mathematics