1.) Carbon Compounds are the backbone of all organic compounds that are the basic building blocks of all living things.
2.) The diamond allotropic form of carbon is the hardest substance known.
3.) Carbon has the ability to form covalent bonds with other carbon atoms forming continuous chains, branches, and loops
Answer:

Step-by-step explanation:
In order to complete the square, you want to convert a quadratic from the form -

to the form-

If you're in a hurry,

and you can convert from there.
Step-by-step explanation:
a) 5³= 5*5*5 = 125
5/125*100%
4%
b) 5²=5*5=25
25/125*100%
20%
1 over 3 should be the answer I think
Your answer will be F.220
Hopes this helps :D!