The expression 
is a product expression
The denominator of the simplified fraction is 3n -2
<h3>How to determine the denominator?</h3>
The expression is given as;
Divide the first fraction by 2/2
Evaluate the above product
The above fraction is a simplified fraction of , and the denominator is 3n - 2
Hence, the denominator of the simplified fraction is 3n -2
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In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.
<h3>Why has
teenage pregnancies has dropped dramatically across all ethnic groups?</h3>
The teenage pregnancies has dropped dramatically across all ethnic groups because of the education , there are alot of parents that are now educated to educate their children about danger of teenage pregnancies.
Also, there has been increased in protective measure by the government to reduce teenage pregnancies, hence, In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.
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Based on the excerpt from the contemporary composer Aulis Sallinen, the melody is played by a trombone: False.
<h3>What is an inference?</h3>
An inference refers to a process through which a reader or listener can deduce the meaning or message (information) such as melody, that's associated with an event or musical composition, especially through induction.
Based on the excerpt from the contemporary composer Aulis Sallinen, we can infer and logically deduce that the melody is played by a flute, rather than a trombone.
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