Answer:
y2-y1/x2-x1
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
I think E.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
90kg
Step-by-step explanation:
it is so because, to decrease a number by a ratio you have to multiply with the smallest number and divide with the biggest one. For example 117 in the ratio 7:3. 117×3=351 which is divided by 7 and is equal to 50.14.
 
        
             
        
        
        
Parametric form.....
y=3x+ 1/4z
        
             
        
        
        
Answer:
1/2, 2/3, 3/4, etc
i think thats what you need
Step-by-step explanation: