You are purchasing office supplies. because of the volume of your orders your company receives 15% off all purchases. you buy a case of paper for $24.95 and a toner refill at $35.99. you find discontinued ink for $49.95 at 50% off. the local sales tax is 4.5%.

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