Answer:
5 x 3 + 3 divided by 6 = 3
Step-by-step explanation:
The first thing is to find a way to arrange the numbers. Try every operation until you can get the answer. for this case, i put the answer above.
The correlation coefficient r of the data set is <em>-0.28</em>
For this case we have a function of the form
, where 
We must find the value of the function when
, that is, we must find f (3). So:

So
Answer:

Puppies : Adults = 1 : 4
Total parts = 1 + 4 = 5
5 parts = 100 dogs
1 part = 100 ÷ 5 = 20 dogs
Answer: 20 puppies