Answer:
Part 1) 
Part 2) 
Part 3) 
Step-by-step explanation:
see the attached figure to better understand the problem
step 1
Find the value of x
we know that
---> by addition segment postulate
we have

substitute

solve for x




step 2
Find the value of EF

substitute the value of x

step 3
Find the value of FG

substitute the value of x

The correct answer to that question is T = 12
Answer:

Step-by-step explanation:
Given


Required
The corresponding point on 
means:

or

is calculated



So, the corresponding point on
is: 
Answer:
the answer to this problem Is C. x>-3
Answer:
the second option is correct, the one that you picked
Step-by-step explanation: