The equation of a line which has the slope m and passes through the point A(x1,y1) has the formula:
y-y1=m(x-x1)
in your case m= -5 ; A(x1;y1)=(1;-1)
y-(-1)= -5(x-1)
y+1= -5(x-1)
answer is c 
        
                    
             
        
        
        
Answer:
2.5
Step-by-step explanation:
5x+3x=20 
8x=20
x=20/8=2.5
 
        
             
        
        
        
Answer:
8x12x30=2880
Step-by-step explanation:
 
        
             
        
        
        
I dont know how to this but you probably make 4 3/8 and 2 1/2 into a decimal add all them together...