Step-by-step explanation:
Only D, y = 3x + 12 is in slope-intercept form.
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
a taingle adds up to 180 degrees if that helps
 
        
             
        
        
        
Answer:
-sin x
Step-by-step explanation:
sin(3π/3+x)=sin (π+x)=-sin x
or
 sin (π+x)=sin πcos x+cos π sin x=(0)cos x+(-1)sin x=0-sin x=-sin x
 
        
             
        
        
        
Answer:
y=-2x+b
Step-by-step explanation:
Just use the formula y=ax+b, and input -2 as A, and 3, as x, and 2, as y, and then simplify.