Yes it does, it is proportional because it increases by the same amount at a constant time (which is each week's paycheck). The constant is the 150. i may be wrong sorry if so.
        
             
        
        
        
Answer:
Addition + 
Step-by-step explanation:
You are correct because according to PEMDAS, you have to do what is inside the parentheses first, which just happens to be addition.
 
        
             
        
        
        
Answer: y = 0.75x + 80
Step-by-step explanation:
let x = 1 mile
y = 0.75x + 80
 
        
             
        
        
        
The answer is 2,-8.
But I am not sure. Hope this will help you!