Answer:
 or
 or 
Step-by-step explanation:
Substitution means plugging in one variable's value that consists of the opposite variable. Because  is already specified, you can plug it into the second equation's
 is already specified, you can plug it into the second equation's  value. After doing that, it looks like this:
 value. After doing that, it looks like this:

Then you would distribute the  across the parentheses next to it, like this:
 across the parentheses next to it, like this:

Then, add like terms, like this:

Then divide both side by  to isolate
 to isolate  .
.

Now, you can plug  (
 ( ) into either equation, but the first one seems simpler so you would pick that. It would look like this:
) into either equation, but the first one seems simpler so you would pick that. It would look like this:

Solving would look like this:

So the answer is  or
 or  .
.
 
        
                    
             
        
        
        
Answer:
?
Step-by-step explanation:
 
        
             
        
        
        
Answer:
66
Step-by-step explanation:
 
        
             
        
        
        
Answer:
False
Step-by-step explanation:
A composite figure would be any irregular shapes and can be made up of multiple shapes
 
        
             
        
        
        
Answer:c
Step-by-step explanation:I just did this one and got it correct