It only the last one.
Hope this helps :)
A rational expression is undefined when the denominator is zero.

is undefined when x=0 or x=2.
I believe it is option 2, sorry if incorrect
Answer:
(5,1) is the mid point of RS
93+(68+7)
first do what's in the parentheses
(68+7)
68+7= 75
new problem: 93+75
93+75= 168
Answer is 168