Mr. Floto gave an exam to his honors math class. The exam was worth 280 points, and it contained 50 questions. Some of the questions were worth 3 points, and some questions were worth 8 points. How many of each question were on the exam?

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