Answer:

Step-by-step explanation:
Given




Required
The perimeter
First, calculate the distance between each point using:

So, we have:




So, the perimeter (P) is:


Answer:
divide 1.5x10^-10 by 2.5x10^-11 which is 6 meaning the Mercury atom is 6 times larger than a hydrogen atom.
Step-by-step explanation:
im sure thats right !
Answer:
8m(4+7p)
Step-by-step explanation:
16.79+28.49=45.28
50-45.28=4.72
Kelly would get $4.75 back
1.6mm cuz yes and if wrong my bad g