I know this is old question but i'd like to solve it :)
 
        
        
        
Answer:
52 years.
Step-by-step explanation:
Represent my current age by c.  Then 400 - 2c = 296, or
104 = 2c
Then c must be 104/2, or 52 years.
 
        
             
        
        
        
The answer is
B. A dot plot is shown with the title Match Scores. There are 2 dots over score 1, 3 dots over score 2, 2 dots over score 3, 1 dot over score 4, and 2 dots over score 5.
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Hope This Helps!:)
 
        
        
        
Answer:
X=-7
Step-by-step explanation:
X + 142=135°
X=135-142
X=-7
So the value of X is -7