Here is complete list of world conferences/journals etc.. You can select any journal or conference according to the scopous and quality of your paper via consultation to your mentor/supervisor. https://www.guide2research.com/journals/
This list contains the top 1000 journals which means that none of them are average level. After I filter non-mathematics journals and choose analysis, only about 7 high level journals remain.
The best way is to access the JCR list and choose your journal.
Here is the link: https://www.scimagojr.com/journalrank.php
At the end, you must keep in mind that your paper may be rejected. however, the most important in this case is to get valuable comments from the reviewers to know what/how to adjust.
The journal “American Journal of Mathematical Analysis” http://www.sciepub.com/journal/ajma is published by Science and Education Publishing (SciEP) a publisher included in the Beall’s list of potentially predatory publishers: https://beallslist.net/ This is a red flag. There are more, for example:
-http://flakyj.blogspot.com/search/label/SciEP
-Misleading contact address suggesting US origin while they are not
Better avoid.
Roudy El Haddad indeed the journal “Moroccan Journal of Pure and Applied Mathematics” 2605-6364 https://sciendo.com/journal/MJPAA is having a pretty solid publisher behind it and received a Scopus indexing https://www.scopus.com/sourceid/21101026926 , so most likely a safe choice.
The journal “International Journal of Nonlinear Analysis and Applications” https://ijnaa.semnan.ac.ir/ seems a pretty safe choice as well. Scopus indexed https://www.scopus.com/sourceid/21100873480 and indexed in ESCI.