David ran a lemonade stand with Cynthia. The costs for supplies are listed below. Lemons = $2.38 Cups = $2.95 Sugar = $4.12 Ice = $3.12 At the end of the day they make $21.67 A) How much profit did they make?

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