Hello pls help me it's for a grade and due sn Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below:

Baseball Scores

Score Number of Students
0 1
1 2
2 5
3 3
4 6
5 7
6 9

Based on the table, what is the mean baseball score?
A: 2.5
B: 2.9
C:3.5
D:4.1
ILL GIVE BRAINLIEST

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap