<u>Answer:</u>
The correct answer option is (5, -6).
<u>Step-by-step explanation:</u>
We know that the following are the coordinates of a point:

If this point is reflected through y axis, we are to find the coordinates of its image?
If a point is reflected through y-axis, the sign of the x coordinate is changed so we get:
(5, -6)
Answer:

Step-by-step explanation:
Slope of straight line can be calculated as

Here 

Equation of straight line in slope intercept form is


Answer:
They are congruent, this is because both shapes are the same size and have the same angles as show with the lines at the edges. I believe it's AAS
Step-by-step explanation:
Hoped this helped!
Answer:
See below
Step-by-step explanation:
1. 11^2
2. No
3. 18^2
4. 4^2
5. 9^2
6. No
7. 20^2
8. No
9. 15^2
Hope that helps! :)