PLS HELP Use this table of a school bus during morning pickups to answer the question.

What is the average speed of the bus between 2.8 km and 4.2 km?
A.) 42
B.) 50
C.) 52
D.) 55

It’s 42!! Let me know if this helps!

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom