Answer:
these shapes are congruent, because they have the same shape and the angles are the same
Step-by-step explanation:
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Answer:
C) (x-3)(x+3)
Note:
Just a tip there is an app called Desmos where you can put in equations like this and it will graph them for you.
Answer:

- Sales price= $
List price=L Discount

Step-by-step explanation:
The percentage discount is 
The discount is always given on the list price.

Let the list price be L, then
List price=L
Sales price= $
Discount
We substitute into the equation to get:


Divide both sides by 0.805


The list price of the swimming pool is $1450