(I NEED HELP ASAP!!) A salesperson at a jewelry store earns 7% commission each week. Last week, Heidi sold $700 worth of jewelry. How much did she make in commission? how much did the jewelry store make from her sales?

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