Answer:
C and D
Step-by-step explanation:
The area of a rectangular raised garden bed for growing beets is given by the expression 
The area of the rectangle is

Thus,

or

The length of the mat is greater than its width. Since

then

Options A and B are false, options C and D are true.
The range is the difference between the largest number and the smallest number. This means you subtract the smallest number from the largest number. If the range is 8, then you can add 8 to the smallest number on the list to get the largest number, m.
Our smallest number is 12, so add 8 to 12.
8 + 12 = 20, so m is 20.
I hope this helps!
Here is a video of how to do it! https://www.youtube.com/watch?v=c-FVjcPpz54
Quantitative. Because they can be counted