Need help to solve

4. Ms. V is putting some DVDs back on a shelf. He has four superhero movies, three Lord of the Rings movies, and 5 other movies. How many ways can he put them on the shelf. .. Name: MDM 4UA - Ch 2 Permutations Test Date: a. If there are NO restrictions? [1] b. If the superhero movies must be side-by-side (in any order), and the Lord of the rings movies must be side-by-side (in any order)? [2]