They're allowed to join for $15. And for every event, they have to pay $3. 
3x = 21 
x = 7 
Someone who has $36 can attend 7 events.
        
             
        
        
        
are you going to show a picture??? its impossible to answer otherwize
 
        
             
        
        
        
Answer:
33.5  
-by-step explanation:
8.5 + (12 + 4) × 2 - 7
Use PEMDAS ( I think this is right hope it helps!)
 
        
             
        
        
        
The equation is $130 + $31.67x = 500
Subtract 130 from both sides $31.67x = $370
Divide $31.67 from both sides
X=11.68
BUT
you can’t have .68 of a day so the answer is 11 days.
        
                    
             
        
        
        
Answer:
I believe the answer is C
Step-by-step explanation:
if the baby weighted 8.5 pounds when born then that is the initial value therefore the baby will be weighted 1.6 times 10 weeks or w 
hope this helps