Answer:
In geometry, the area of a two dimensional object is the amount of space an area takes up. A square unit is a square with sides of length one unit.
Answer:
The rate of change of a function with respect to a variable.
Step-by-step explanation:
For example: The slope of a constant value (like 3) is always 0. The slope of a line like 2x is 2, or 3x is 3 etc. and so on.
Answer:

note that -11 itself is not included. the circle is empty, not filled