Calculate angles in a polygon using
formular

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

Can someone me out here and the tell me the greatest common factor

What is 6/10 rounded to the nearest half