Each adult ticket has a different price value . Felicia's mom bought a total of 20 tickets for the family.

Each child ticket cost $5.25 and each adult ticket cost $7.75.

Felicia's mom spent a total of $140 on all of the tickets

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