Answer:
Someone can say that the quality of life is a concept for many reasons. If you are going through a gard time or are miserable, you are not going to say that life is great and its about the quality of life. Therfore making the statement that it is just a concept. If you are living a successful life, quality will be everything to you. It is just a concept because the human brain agrees with something based on their particular situation. It is a subjective concept because there is no certain and set-in-stone answer.
Explanation:
This one is kinda easy lol Family
She will have 65 jars left when all the boxes are full
<h3>Further explanation
</h3>
Algebraic expressions in mathematics are a combination of coefficients, numbers, variables, constants and arithmetic operations such as addition, subtraction, multiplication, and division
12 jars = 1 box
The number of jars that the boxes can hold :

Because there are 665 jars, there are still jars that cannot be entered in the box,

No because some birth control methods can have serious problems associated with them
The answer is c because that is when a women stops menstruating