For this question, we use the Pythagorean theorem.

We know the lengths of the legs, a and b.


Now, let's solve for the hypotenuse, c.


Take the positive square root.
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Hope this helps! :)
Answer:
I don’t understand what you are asking
Step-by-step explanation:
The root of 77 is 8.774 so the answer is C
Answer: C
Answer:
The answer is A.
Step-by-step explanation:
The only option is A. since an intercept of (-5,0)
Option B has y-int: (0,-5)
Option C has y-int: (0,5)
Option D has x-int(5,0)
-9 is a rattional number because it is an integer and it can be squared.