Answer:
Option A
Step-by-step explanation:
Line EC splits the angle into two equal angles so it is an angular bisector of DEF.
Answer:
The solution is given in attached diagram:
I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:

Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
10
2+3=5 10x5=50 50 divided by 5= 10
Hope this helps!
So x willl equal to 6 because 5(2x-8) is 10x-40=20 then you add 40 to 40 wich will equal nothing . u gonna have to eliminate 40 then you 40 to 20, wich is 60 what you gonna need to do is 10x=60
__ __ 60/10 is 6
10 10