The difference of the expression
is 
<h3>How to determine the difference?</h3>
The expression is given as:

Factor the denominators of the expressions:

Apply the difference of two squares to x² - 9

Take LCM

Hence, the difference of the expression
is 
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Answer:
c. 45d+.25m
Step-by-step explanation:
Its actually the same length. I will choose B so that i can run slower
Time each dog spent sleeping during each of two conditions
Answer:
After 1 years: 20235.396, which can be rounded to 20235.40
After 2 years: 21523.79
After 5 years: 25388.98
After 10 years: 31830.96
The money doubles after 15 years.