Answer:
For the first picture:
is false because

is also false because

is true, so the 3rd is the correct option.
For the second picture:
using the LCM method, of 6 and 4 = 12
then it will be
so the symbol will be > (1st option)
For the third picture:
is false
is true, so the 2nd is the correct option.
is false
For the forth picture:
The correct answer is the 3rd option (
)
Have a wonderful day! :-)