[] Similar
-> The triangles are similar because they were "mirrored" by the...
[] SSS
-> ... by the SSS similarity theorem, the sides are...
[] Proportional
-> ... the sides are proportional.
[] AB/AC
-> Since the sides are proportional, dividing corresponding sides will leave us with the same number
[] For the last two I think I am missing some information as I do not have any numbers and know where they got 85 from.
Have a nice day!
      I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
 
        
             
        
        
        
What is the question you are trying to ask
        
             
        
        
        
Answer:  answer will be 72.50. To find the mean you just add up all the numbers and divide by how many numbers are there. 870.02/12=72.501666667.
 
        
             
        
        
        
Answer:
Thanks :)
Step-by-step explanation: I hope you have/had an amazing day today<3
 
        
                    
             
        
        
        
-2 -10 -3
-7 0 -8
-6 -5 -4
That's the square, it was a fun puzzle :)