Which question could have variability in the data related to it? Circle all that apply A. how many board games does Michelle own? B. when does melissa’s lunch hour begin? C. how many books has each student read this year D. how Tallis Blake? E. what are the favorite colors among the 6th-grade students?

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