Hi @kaylin7, it's nice of you to post this. Have you asked your friend what you can do to help her?
Some ideas - maybe you can do some grocery shopping or run errands for her. Any chance you can stay with her charges for a short time while she goes out? Or pop over for a short visit? Bring some food? Do some cleaning or yard work? Maybe you can research resources where you live through an Office of Aging (or similar) that may be available to help her. Ask her when it is convenient to call and maybe just have a chat. Be prepared to let it go if she has to manage an emergency while you're talking.
Aside from a couple of very close friends who call regularly or text, I don't hear from less close friends. They know our situation here (my husband has Alzheimer's), but mainly they let us be. I've tried reaching out, but there's no regular interaction after that so now I don't even bother. Sometimes, it's lonely and I'm disappointed, but that's life.
Participating in Connect, I realize many people have it worse than I do and they carry on, but it seems that many caregivers are in the same situation. They are left on their own to cope and muddle through whatever.
Take care, and I wish you success in helping your friend.