-9 is x
mark me brainliest if the answer is correct, thank you in advance :)
        
             
        
        
        
The answer is A) 15, Total blue and yellow shirts is 30 were red is 45
45-30=15
        
             
        
        
        
Answer:
  
Step-by-step explanation:
Using the slope formula, you can form this equation! The slope of any equation would replace the m, and the y intercept would replace b!
I added in the slope formula at the bottom, just in case, so you'll see what I mean! 
I hope this helps, and I explained enough! Have a great day c:
 
        
                    
             
        
        
        
Answer:
2
Step-by-step explanation:
Because 3-1 is 2 and 1/4-1/4=0
So 2