For this case, what you should see is which lines contain point O.
We have then that the lines that contain this point are:
EC
AD
BO
We note that three lines contain point O.
Therefore, three lines intersect at the same point.
Answer:
4. 3
Answer:
and 
Step-by-step explanation:
we have

we know that
Compound inequality can be divided into two inequalities
so

rewrite

and

therefore
An equivalent form of the compound inequality is
and 
X=-5 and y=1
you would replace the letter x or y with zero to find the intercept.
Answer:
A. 30
Step-by-step explanation:
Because it showed up the most
Answer:
the 3rd one,
Step-by-step explanation:
Because it is the 3rd one