Answer:
D hope that helps you out 
 
        
             
        
        
        
Answer:
C. sequential games.
Explanation:
Game theory is the learning of analytical types of mediation, ambivalence, and interaction between people, corporations, and governments. In-game theory, a sequential game means any game where an individual contestant picks their move before rest of the performers pick theirs. Importantly, the following performer's necessity has fascinating erudition regarding the first's selection, contrarily, the variation in period would have no strategic effect.
 
        
             
        
        
        
Answer:
A. Collateral
Explanation:
Collateral is a pledge that is given to a person in exchange for a loan (of something). The pledge could be redeemed after the loan has been returned (along with whatever strings has come attached with borrowing the item). 
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Answer:
voidable title
Explanation:
A voidable title is considered good and valid title until voided.  
For example, I purchase a PS4 from my nephew who is a minor and I sell it to my neighbor, and my neighbor purchased it on good faith. My nephew can decide to void the contract because he was a minor, but since I passed good title to my neighbor while the contract was valid, my neighbor doesn't have to return the PS4.
The difference with a void title is that a void title was never good and valid. 
On the other hand, if I had stolen the PS4, I would never have good title over it, and I sell it to my neighbor. The rightful owner of the PS4 can claim it back and my neighbor must return it because the contract was void since I never had good title on the PS4.
 
        
             
        
        
        
Answer:
The correct answer is letter "D": an external source.
Explanation:
External resources are considered all those sources from where a researcher can gather information outside his or her own scope. External resources can be useful to compare data from different points of view so after contrasting them, the researcher can have an individual opinion of the subject being studied.