Answer:
B
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Okay I might not be right on this one but, I believe you divide 27 and 3. As to the part about simplifying, you might want to give me so details. 
Step-by-step explanation:
 
        
             
        
        
        
Answer: C. 120
Step-by-step explanation:
14/21 will get you 66.6. Taking that number and multiplying it by the 180 total students will end you with 120 which is your answer.
 
        
             
        
        
        
Answer:
2(x+3)(x−5)
Step-by-step explanation:
 
        
             
        
        
        
1 4/5 - 2/5 = r you minus the total she has already walked or ran from the total she plans on running to get “r”