Answer: Okay I think D is the answer
Step-by-step explanation:
 
        
                    
             
        
        
        
I think the answer is B im not sure :(
        
             
        
        
        
Answer:
1) -95.
2) 15.
3) The conference center is on floor 5.
Step-by-step explanation:
1) Evaluating gives 
2) Substituting gives 
3) After going 4 floors down, we are on level -4. After going 9 floors up to the desired room, we are on level -4+9=5. So the conference center is on floor 5.
 
        
                    
             
        
        
        
Where is the graph? It says choose the correct graph...