Answer:
-3
Step-by-step explanation:
 
        
             
        
        
        
Answer:
$9000
Step-by-step explanation:
A gym employee has earned in 3 months =$4500
Then his monthly salary =$4500/3 =$1500
After six months he will earn = 6 × his monthly salary
= 6×$1500=$9000
 
        
             
        
        
        
Answer:
slope is zero
Step-by-step explanation:
zero slope is neither positive or negative; it indicates no change whatsoever
 
        
             
        
        
        
Answer:
Step-by-step explanation:
x = 0.8 + 0.2y