Answer:
The answer is 400
Step-by-step explanation:
My guess would be B.
Don't quote me on this lol.
Answer:

Step-by-step explanation:
The computation of the total amount of water needed could be determined by using the volume formula which is shown below:

where
L = length,
W = width,
and D = depth.
Now putting the values to the above formula
Therefore, the total amount of water needed is 
We simply applied the above formula
Is writing an answer......
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.