They are all supplementary to each other because supplementary means that they all add up to 180
Answer:
X < 9
The hallow circle means just greater than or less than
The numberline is pointing downwards showing that 9 is greater than x(unknown value)
The point is also on 9
Answer:

Step-by-step explanation:
The square of a complex number is a complex number. Here, we have:


We then have this system of equations:


Solving this system:










Answer:
c
Step-by-step explanation:
divide the two factors and the answer is five