Sam buys milk from a different shop. he writes an equation for the amount he spends on milk, p=3.4g, where p is the cost and g is the gallons of milk brought. who buys milk at a lower rate, and what is the price?

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