Khloe and her children went into a movie theater where they sell bags of popcorn for $7 each and candies for $4 each. Khloe has $60 to spend and must buy no less than 11 bags of popcorn and candies altogether. If xx represents the number of bags of popcorn purchased and yy represents the number of candies purchased, write and solve a system of inequalities graphically and determine one possible solution

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