Multiply (3x + 5)2
O A. 9x2 + 30x + 25
O B. 9x2 - 30x+ 25
c. 9x2 + 15x + 25
D. 9x2 + 25

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