You might be in luck, Carlotta, as Texas is one of the best states in terms of offering special grants to those who live there. I'm not sure if they provide emergency assistance in situations like a lost job, but it's possible. You can read more about Texas grants in this article.
You could also try picking up some short term or part time work to raise some cash fairly quickly. If you have a decent car you might check into driving for Uber --- I understand they pay pretty decently and you control what hours you want to work. There are more ideas about where to find help paying bills and how to earn some money in the short term in this article about grants and other ways to pay bills. And pay attention to the warning about people who might take advantage of your situation...