Abookshelf has space for exactly 14 books. in how many ways can the books be arranged on the bookshelf?

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)