Final answer:
The subject of this question is Mathematics and the grade level is Middle School. The Venn diagram can be used to organize the information and determine each friend's favorite sport.
Step-by-step explanation:
To answer this question, we can use a grid to help organize the information given.
- First, we know that Pat's favorite sport is tennis.
- We also know that Pat's favorite sport is not golf.
- Additionally, we know that Heidi's favorite sport is not tennis.
- Finally, we know that Heidi's favorite sport is golf.
Using this information, we can fill in the grid:
TennisSoccerGolfPatSidneyHeidi
From the given information, we can see that Pat's favorite sport is tennis, Heidi's favorite sport is golf, and Sidney's favorite sport is soccer. Each friend has a different favorite sport.