They are different because the begainning elevation is -1 and we know that (-) meaning is something that decresed or going down, so let's say it's going down and the highest elevation is 100 feet (+) symbol meaning increased or going up let's say going up so the different is going up and down.
hopw it help you
:)
Answer: x= 5/2
Step-by-step explanation::)
I believe it is the Associative Property of Addition
No, because the sum of any of the sides must be greater than all sides. 5.6 +4.0=9.6 which is less than 10.6, meaning that it is impossible to create a triangle with those lengths.