Answer:
The correct option is C) 
Step-by-step explanation:
Consider the provided information.
A farmer charges $6 for 4 pounds of tomatoes.
First find the unit rate as shown below:

Therefore, the cost of 1 pound of tomatoes is $1.5
let d represents the dollars he should charge and p represent the pounds of tomatoes farmer sold.
Thus the required equation is 
Hence, the correct option is C) 
Answer: 18,000
Step-by-step explanation: 10,000 borrowed + the 4% earned x the amount paid within 20 years
Answer:
Mean: 8 and MAD: 1.2
Step-by-step explanation:
Given a data with :
Mean = 20 ; mean absolute deviation (MAD) = 3.1
DATA with a low mean and variability Than The above from the options given :
The most appropriate option is : Mean: 8 and MAD: 1.2 ; because both values of the mean and mean absolute deviation are lesser than the value given.