<span>Each question has 5 possible choices for an answer>
1st question: 5 ways
2nd question: 5 ways
.......
12th question: 5 ways
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Total # of possible answers 5*5*5...*5*5 = 5^12 = 244,140,625
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Cheers,
Stan H.
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The answer is 244,140,625</span>

Here we go ~
As we can see in the figure, lines m and n are parallel to each other. so we can apply Angle pair properties ~
So,

[ they form corresponding angle pair ]
and it's given that :

therefore, by using above information. we can conclude that :

Answer:
divide the least common denominator by the original denominator