It should be: In order to do homework,
1) b and a - A sparse crowd is one that is small and scattered.
2) c and b - To petrify someone is to terrify that person.
3) a and b - An intense pain is one that lasts for a long time.
4) a and b - A prone figure is one that is lying face down.
Answer and Explanation:
While reading and after doing some research on "The Odyssey" and its protagonist, Odysseus, it is possible to list some information that has been learned.
First of all, it is important to present, that "The Odyssey" was one of the first poems written in Ancient Greece and is a relevant text until today, which is fantastic to understand the growth and evolution of humanity in literary terms. In addition, it is possible to see that this work presents the concept of "Greek hero" presenting a strong, fearless, courageous man with a strong sense of leadership that is not perfect, but capable of showing flaws and weaknesses. Finally, we can see the family's impotence for Greek society at the time that this work was written, since fidelity to the family is very much addressed throughout history.
In relation to Odysseus, we can see that being an admired man had some disadvantages, such as the need to defend his territory and need to stay away from the family he loves. Odysseus faced many adventures in order to return to his home and family and proved to be a hero, but he has flaws, infidelity, fears and even exaggerated cunning. Odysseus is a very human hero, presenting a strong duality, but always trying to do good for those who deserve it.
The simplified expression is 
Explanation:
The expression that we have in this problem is
We want to simplify this expression: in order to do so, we apply the rule to solve the square of a binomial:
Where in our expression, we have:
So, the various terms are:
Therefore, the final expression becomes
Learn more about simplify expressions:
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