In your question it is.
Left-handed is a hyphenated compound.
Yes, "self-diagnose" is hyphenated.
No, "self-interest" is typically not hyphenated.
No, the phrase "top of the line" is not hyphenated.
The word "self-confidence" is hyphenated.
"The least expensive phone thast has wifi capibitlites are Energetics. Because they are the ,mostness. This is the leastexpensive and it works just like others"
It is not hyphenated.
Motorcycle is not hyphenated
No it's not hyphenated.
words are only hyphenated when they have a separate meaning when separated than they do when hyphenated
It can be. Some words can be seen both hyphenated and non-hyphenated.
Yes it should be hyphenated.
No, "hardworking" is not hyphenated.
No. Well above is not hyphenated.
peace of mind is not hyphenated.
No, "homework" shouldn't be hyphenated.
Yes it should be hyphenated.