It would be 70r if you are using distributive property
        
             
        
        
        
Answer:
a.
the function we are working with
Step-by-step explanation:
f(x) is functions notation which means the output for the function being worked with. It is the y value hence y=f(x).
 
        
             
        
        
        
The Order of magnitude for the population of the world is not five
        
             
        
        
        
Answer:
its D
Step-by-step explanation: