Answer:
y = -x + 1
Step-by-step explanation:
eqn of line: y=mx+c 
perpendicular, m1 x m2 = -1
m × 1 = -1 
m = -1 
y=-x+c 
sub x=-5, y=6
6 = -(-5) +c 
6 = 5 + c
c = 1
y = -x + 1
 
        
             
        
        
        
Answer:
Step-by-step explanation:
4b + 8 = 20
Subtract 8 from both sides
4b + 8 - 8 = 20 - 8
4b = 12
Now divide both sides by 4
4b/4 = 12/4
b = 3
Check: 
LHS = 4b + 8 
        = 4*3 + 8
         = 12 + 8
         = 20 = RHS
 
        
             
        
        
        
Answer:
y=1/3x+2
Step-by-step explanation:
 
        
             
        
        
        
I think the Answer is 44 copies per minute 
143/3.25 = 44