It looks like you had some of the numbers correct, but you just labeled it and rounded it incorrectly, and the teacher gave you super partial credit for it.  
For my work, I'm assuming that side A is opposite of angle A and side B is opposite of angle B, etc...
 
        
             
        
        
        
Answer:
The distributive property tells us how to solve expressions in the form of a(b + c). The distributive property is sometimes called the distributive law of multiplication and division.
Step-by-step explanation:
  
        
                    
             
        
        
        
Answer:
well all you need to do is try your best
Step-by-step explanation:
 
        
             
        
        
        
The slope-intercept form:

m - slope
b - y-intercept
We have the slope  and the point (10, 4).
 and the point (10, 4).
Substitute the value of slope and the coordinates to the equation of line:

Answer: 
 
        
                    
             
        
        
        
We know they combine to 2,977 grams. The puppies weight the same
Let’s make puppy = x
Basket weight = 1,077
8x + 1077 = 2977
8x = 1900, x = 237.5 grams
It would be around 250 grams