Peter surveyed 40 of his friends to find out their favorite sports. the results are shown in the circle graph. approximately how many friends chose baseball as their favorite sport? a. 5 b. 7 c. 10 d. 20

I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
  PLEASE SEE ATTACHED IMAGE.
 For this case, when looking at the graph, we see that approximately 12.5% of the respondents prefer baseball as their favorite sport.
 Therefore, the number of people is given by:
 (40) * (0.125) = 5
 
 5 friends chose baseball as their favorite sport.
 A. 5