Answer:
Better sentence I would reccommend putting: Mary had called her sisters to dinner.
Regular Sentence: Mary called her sisters.
 
        
                    
             
        
        
        
That old house looked spookier <u>than</u> any other house in the neighborhood.
An adverb clause is a collection of words this is used to exchange or qualify the meaning of an adjective, a verb, a clause, any other adverb, or another sort of word or phrase except determiners and adjectives that immediately regulate nouns. Adverb clauses usually meet three necessities: First, an adverb clause continually consists of a subject and a verb. Second, adverb clauses comprise subordinate conjunctions that prevent them from containing complete thoughts and becoming complete sentences. Third, all adverb clauses solution one of the conventional adverb questions: while? Why? How? where?
An adverb of time states when something happens or how often. An adverb of time often starts with one of the following subordinating conjunctions: after, as, as long as, as soon as, before, no sooner than, since, until, when, or while.
An adverb of manner states how something is done. An adverb of manner often starts with one of the following subordinating conjunctions: as, like, or the way.
An adverb of reason offers a reason for the main idea. An adverb of reason often starts with one of the following subordinating conjunctions: as, because, given, or since.
Learn more about clause here:- brainly.com/question/1421646
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A subordinate and an independent clause in one sentence is a complex sentence
        
             
        
        
        
Answer:
Explanation:
Nash equilibrium is game theory that says the optimal outcome of a game is achieved when there is no deviation from the initial strategy.
 It occurs when a player do not change his/her own chosen strategy after considering his opponent to get the best outcome. 
A player strategy during game is believed to be optimal and should not be changed for the opponent irrespective of the person strategy. If eventually a strategy is changed, it may not attract any compensation.