Can someone HELP?

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

For how answer my question this will be the last question can you answer in math subject