Its D for plato.
by other people who asked
Answer:
Explanation:
First you should calculate the volume of a big sphere,so:
Then you calculate the volume of a small spehre, so:
Finally you subtract the two quantities:
Protons: 7
electrons: 7
neutrons: 7
Answer:
50 miles per hour
Explanation:
To find the average speed per hour you have to find the unit rate so 100/2 which is 50. So 50 miles per hour.