Need some help :( What is the speed of a jet plane that flies 8100 km in 9 hours?

A. 900 km/sec

B. 900 km/hr

C. 900 meters/sec

D. 900 km/hr/hr

I will give Brainliest !!

What is the exact volume of the cylinder 1.5 m 2.5 m

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?

Is a positive integer raised to a negative power always positive