When Jason started an online jewelry store, he had 9 jewelry designs posted. Each week, he posts 6 new designs.
Let w represent the number of weeks since starting the store and d represent
the total number of jewelry designs.
Complete the equation that represents the relationship between w and d.

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