Answer:
Step-by-step explanation:

Find the area of the blue square including the white square then find the area of the white square and subtract that from the area of the blue square.
Hope that helps if you need more help just comment and I’ll try to explain it better!
Answer: -2
Step-by-step explanation: The line has a slope of -2/1, which is just -2.
Answer:
All real numbers except 3
Step-by-step explanation:
Given

Required
Determine the domain
We start by writing the following inequality

Add 6 to both sides


Divide both sides by 2



<em>As such, the domain of x is all real numbers except 3</em>