Samantha went to a bike store to purchase a new bike. The store was having a sale. If the total purchase, not including tax was over $200, you got 25% off your purchase and if your total was over $250, you got 30% off your purchase. Samantha picked out a bike for $189, two t-shirts for $28 each, and a water bottle for $5.50. What was his total purchase price before tax?

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