Use the graph to the approximate percent of white females who were smoking in the year 2000. (Source: 2004 Chart Book, NIH).

A. 32%
B. 30%
C. 20%
D. 25%


Answer: D

Mathematics

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Determine which of the expressions is not equivalent to the given expression by the commutative and associative laws.x + (y + 23)

A. 23x + y B. (x + y) + 23 C. (y + x) + 23 D. x + (23 + y)

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Find the sum or difference. Write the answer in lowest terms.-  - 

A. -  
B. - 
C. -  
D. 14 

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Find the exact value of the following expression without using a calculator.cot (60°)

A.
B. 1
C.
D.

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Use a graphing calculator to solve the given equations to the nearest 0.01.x3 + x2 - 7x - 7 = 0

A. 1, 2.65j, -2.65j B. 1, 3.5, -3.5 C. -1, 2.65, -2.65 D. 1, 2.65, -2.65

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