please help me determine what statistical analysis test to use for these prompts!

4. I want to know whether the number of matches a person has on Tinder is related to hew many pets they have. a. What analysis do I use? 5. I want to know whether people who eat donuts for breakfast are kinder than people who eat bagels for breakfast. I have one group eat donuts for breakfast for a month and one group eat bagels for breakfast for a month. Next, I have them take an assessment that measures how kind they are. a. What analysis do I use? 6. I want to know if being an athlete or not would change the result to the donut vs. bagel study. I have a group of athletes and non-athletes and for one month I have half of the athletes eat donuts, the other half bagels and I have half the non-athletes eat donuts, the other half bagels and measure their kindness. a. What analysis do I use