Discrete structure (nine): Please resolve it as soon as possible: 9th question: How many different ways can a photographer at a wedding arrange six people in a row from a group of ten people, where...

Discrete structure (nine):

Please resolve it as soon as possible:

9th question:

How many different ways can a photographer at a wedding arrange six people in a row from a group of ten people, where the bride and groom are among these ten people, if the bride and groom are among these ten people?

1. a) Doesn't the bride have to appear in the photo?

1. b) Do both the bride and groom have to be photographed?

1. c) Is one of the bridesmaids and groomsmen in the photo?