Answer:
It would be y=3(x+2). 
Step-by-step explanation:
(This is the explanation you write.)
If you simplify the equation it is y=3x+6. For line A the y-intercept is 6 and the slope is 3. 
 
        
                    
             
        
        
        
Albert bought 2 pounds of catfish and 2 pounds of salmon
Let c represent the amount of catfish in pounds and s represent the amount of salmon in pounds.
He spent a total of $12 on salmon and catfish and bought a total of 4 pounds.  Hence:
c + s = 4     (1)
4c + 2s = 12    (2)
Solving equations 1 and 2 simultaneously gives:
c = 2, s = 2
Albert bought 2 pounds of catfish and 2 pounds of salmon
Find out more on equation at: brainly.com/question/2972832
 
        
             
        
        
        
This would just be 7 1/5 + 3/5 since the negative sign gets distributed and makes (-3/5) into a positive number. 
From there you have basic math and you get 7 4/5.
 
        
                    
             
        
        
        
If you explain what I’m doing I might be able to help
        
             
        
        
        
Answer:
B. 6x2+x+7
Step-by-step explanation:
combine like terms
3x^2+3x^2= <u>6x^2</u>
<u>x</u>
3+4=<u>7</u>