Record the length of the line shown in millimeters.

choose one will mark the brainliest.

34.3

3.43

3.40

3.4

Which subatomic particle has a negative charge

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?

Elements that have one valence electron and are very reactive are called