Hey there!
These are technically expressed as fraction. When you divide a fraction by another, you can replace the second fraction with its reciprocal and you can now multiply the fractions together instead.


Now, just multiply across the top and the bottom. You can first cancel out any terms that are repeated or similar.



Your answer will be

.
Hope this helped you out! :-)
Ummm The is no pattern to the data
Answer:
Option d.
Step-by-step explanation:
Thinking process:
There two things in the question:
1. experimental set up
2. observation (a) the results, and (b) the behavior of the old people who own pets.
There is data on the experimental set up. It means that correlations cane be done to determine the significance of the results.
On the other side, the results will present more or less the common trends in the adult population who own pets. In this case, the data is representative of the total population.
Answer: 3.8
Step-by-step explanation: See the attached file!