I think your saying 8=x if that is the case then you would plug it in (8)2+2 which would equal 18
        
             
        
        
        
Answer: 48 = 2x + 4
Step-by-step explanation:
x = number of students Bill gave bouncy balls to
The + 4 is there because he had 4 remaining bouncy balls.
48 is what it equals because that is his total number of bouncy balls that he won.
Hope this helps!
 
        
             
        
        
        
Answer:
-$15
Step-by-step explanation:
To find the average yearly change, divide -120 by 8, since it has decreased by $120 over 8 years.
-120/8
= -15
So, the average yearly change in the value of the card is -$15
 
        
                    
             
        
        
        
The answer for apex users are:
All of the radii of a circle are congruent
CPCTC
SSS triangle congruence postulate