Answer: well this is hard
Step-by-step explanation:
First of all you’re adding 7Y and you’re getting -8 and for subtracting you subtract 5why and you’re getting negative one so technically you’re getting different answers?
Given:
The given expression is:

According to Kylie,


To find:
The correct statement for Kylie's explanation.
Solution:
We have,

According to the perfect square trinomial
.


Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.
Therefore, the correct option is C.
Example A: a/2
A fraction shows division as well! I’m not sure about the rest though....
Answer:
A flat surface is not a characteristic point if I'm wrong sorry you should list the following.
Step-by-step explanation:
Answer:
y=24
Step-by-step explanation:
Straight line = 180°
collect like terms.
7y+12=180°
-12. - 12
7y=168°
÷7. ÷7
y=24