To solve this, we have to simplify these numbers by adding like terms.
Next, we factor our expression. To do so, we look for the greatest common factor of 42 and 14, which is 14. We know that because 42 divided by 14 is 3.
The correct answer is choice A. Qualitative data is data that is collected based on a quality or a characteristic. These type of data will not involve numbers or measurements, but descriptive words.