You are given the masses of four planets.
Add them together, and then divide your sum by 4.
That will be the "average planet mass" for these 4 planets.
        
             
        
        
        
It would be 70r if you are using distributive property
        
             
        
        
        
Answer:
B)  Write out the relation in an x-y table and check that each x-value corresponds to the only one x - value
 
        
             
        
        
        
Yes. Because 150x13=1950. then 1950+60=2610. so yes they met their goal