Translation of gesendet

I would like to know if Jack is interested to join us as well. Shared learning is called Tandem. I'm coming in 2 days to Spain. I will pay for the study costs of my daughter, and I assume all other costs as well.
How is the weather in Hamburg? We have 15 degrees and some sunshine here in the south. I have some remarks on your mail. If you write again and if you wish, I can correct your spelling mistakes.
Your English seems to be good. Can I meet you? I made a German language course, but my vocabulary is very limited. Unfortunately I do not speak German well, but I'll give my best.