So far your getting all of them right. But, maybe next time upload a better picture because it’s hard to see what you wrote.
        
                    
             
        
        
        
Answer:
It would be 90
Step-by-step explanation:
If you look at it you can see it is a right angle. And a right angle is always 90 degrees. Hopes this helps and have a nice day and stay safe 
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
b - 3b + 15 - w + 4
-2b-w+19
 
        
                    
             
        
        
        
5-7 = -2 and 1-6= -5 so the slope would be 2/5. you would set it up like this:
y=2/5x   and then your y-intercept