the question is a beat confusing please make it simplify
Answer:
its the second one
Step-by-step explanation:
Answer:
G
Step-by-step explanation:
We can find a missing length of a triangle using a Pythagorean theorem if and only the triangle is a right angled triangle.
The side of the missing length is:
a^+b^=c^
2^+4^=c^
4+16=c^
20=c^

Answer:
f(9) = - 2/3
Step-by-step explanation:
I don't really know how to answer those but I think I am right