Answer:
Id say theres about 4 per quarter/ 8 per semester
Explanation:
hope that helped
 
        
             
        
        
        
Rosa Parks was an important person in history. She along with some other African Americans stood up for what they believed in, or in her case stayed seated.
        
                    
             
        
        
        
In A: it should be "I was" not "I were". 
In B: it should be "lately you appear" not "you appears"
in C: this is correct! the subject is in agreement with the verb, and this is the correct answer. 
in D: it should be "you are"