28
if X is equal to 4, 4 times -1 is -4 so we multiply -4 by -7 which equals 28 since a negative times a negative is a positive
4x - 5
Or what kind of an answer are you looking for?
If the movie started at 7:25 and it ended at 9:55 it would be 2:30 because you subtract them by each other so you end up with 2:30. Hope this helps!