What will I do if I didn't receive my green card ?

Contact Customer Service (tel on your receipt notice) and find out.

As long as the principal L1 is still valid, your daughter's L2 status & visa will be valid and she can come back on it.

When my F2 petition was pending with USCIS, will that time be added towards my 6-year H1b period?

Follow up questions -- you said "After that I got a job.."- Does this mean you were out of H1B status during all or part of the COS to F2 waiting...

My COS petition from H1b to F2 was pending with USCIS for 12 months. Will that time be added towards my 6 years of H1b?

You should really consult with an immigration lawyer about the specifics of your case. The way you describe your situation, there are follow up...

Can L2-EAD holder work if related L1 visa is cancelled and got a new L1?

You may mean your current L-1 will be extended, not canceled. The L2 depends on your L1 being current/valid. The L2EAD will be good until its...

My boyfriend has daca. We live in pa. Can he travel to Florida now with just his license and employment authorization card?

As far as I have heard, Florida is still part of the U.S. He will not be leaving the country to go to Florida. Same immigration law applies there...

What should my parents do?

Why don't you consult an immigration lawyer about your parents' case. You're a citizen -- try a Motion to Reopen...

Am I allowed to use my medical marijuana prescription while on probation in Pennsylvania ?

Your question is not an immigration one and I have moved it to Criminal Defense. Listen to your probation officer!

Your student visa should not affect your parents' visitor visa.

I have a finance visa but my finance and I are not together anymore will I still be allowed entry into the US?

First, you mean fiance visa and not finance visa. If you are not going to marry your fiance (who sponsored you), then you should not enter on that...