Answer:
1) yes, SAS
2) yes, AAS
3) yes, SAS
4) not enough information to know
Step-by-step explanation:
For this case, we find the equation of the line of the form:

Where:

So, we have:

We substitute one of the points:
Thus, the equation is:

Now, we substitute a point belonging to the region to determine the sign.
(
-3 is less than 0.
Then, the inequality is:

As the border of the region is dotted, then it remains ">."
Answer:

Answer:
60
Step-by-step explanation:
40+ 20
60
this is your answer