slope = change in y/ change in x
select two points on the line
(-4,4)
(0,1) 
= (4-1)/(-4-0)
= -3/4
 
        
             
        
        
        
You are missing part of the question
        
             
        
        
        
Answer:
130
Step-by-step explanation:
 
        
             
        
        
        
So you start by subtracting 3 from 35, which is 32. 32/8 = 4. So three years ago, Tim's son was 4 and Tim was 32. The percentage is about 13%
        
             
        
        
        
Answer:
√5/121
Step-by-step explanation:
formula: a^½=√a
(⁵/¹²¹)^½=√⁵/¹²¹