Answer:
I'm pretty sure it's both, but I can see this is a summative exam/test so I'm really sorry if it's wrong.
Answer:
x axis: -1, 0, -3
Step-by-step explanation:
I’m Not good at This but I’ll try to help ;c
The equivalent expression to the given expression is 
<h3>What is an algebraic expression?</h3>
Algebraic expressions are mathematical expressions. They usually consist of one or more variables with their coefficients and arithmetic operators such as: (division, multiplication, addition, and subtraction).
From the given expression, we are to determine an expression that is equivalent to:

To do this, we are going to simplify the above-given expression to its lowest term since we are not given any options to choose equivalent expressions from.
By doing so, we have:





Learn more about solving algebraic expressions here:
brainly.com/question/4344214
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Answer:
No, those sides do not make a right triangle.
i know that no links are allowed but this helped me solve those types
https://www.omnicalculator.com/math/right-triangle-side-angle