Retirement tax questions

Thank you, She works fast food and she says that she didn't fill out any tax forms from her job. is that right? And I haven't signed anything for her.   I am an independent contractor I don't get taxes taken out of my pay, I have to pay my own taxes and 2019 will be the first year that my daughter and I will be filing taxes.  This as all new to me so any advice will be taken to heart. Thank you & God Bless

Teresa Morgan