**Answer:**

all real numbers

**Step-by-step explanation:**

domain and range:

all real numbers

**Answer:**

you can put anything to replace x that is greater or equal to 84.

For example:

It just has to be greater or equal to 84.

> = greater than

< = less than

≥ = greater than or equal to

≤ = less than or equal to

Hope this helpss! :)

**Answer: **

**Step-by-step explanation:**

**Answer:**

To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

**Step-by-step explanation:**