Answer:
2.807
Step-by-step explanation:

Answer:
There is no precise unit of happiness, there might be multiple things that directly contribute to well-being, there doesn't seem to be any method to compare the quantities of different benefits (All of the above.)
Step-by-step explanation:
Answer:
2.3 (or 2.293)
Step-by-step explanation:
25/10.99
Answer:
Radical
Step-by-step explanation:
R is an abbreviation for radical, when the term radical applied to a portion of a complete molecule (not necessarily a free radical), such as a methyl group.