Answer:
x=36
y=72
Step-by-step explanation:
I didnt do this type of problem in a while but Im pretty sure its correct
 
        
             
        
        
        
Answer: 396
Step-by-step explanation:
It is 396 because you change the percentage to a decimal and then multiply it by the big number and one you have done that you multiply it again by 3.
 
        
             
        
        
        
Answer:
C≈61.89
C=3830.37
Step-by-step explanation:
A≈615.75
 
        
             
        
        
        
As with simple linear regression, we desire the residuals to:
- Have constant variance.
- Have a mean close to 0. 
<h3>What is a simple linear regression?</h3>
It should be noted that a simple linear regression simply means a model that describes the relationship between a dependent variable and an independent variable.
In this case, as with simple linear regression, we desire the residuals to have constant variance and have a mean close to 0. 
Learn more about regression on:
brainly.com/question/25987747