John runs 15 miles in 3 hours how many miles can John run per hour

These question are hard can you me with answers

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?

When only separate discreet points are graphed it is called?