Algebra II Question - Tell whether the ordered pair is a solution of the system, why or why not?

Working on itts i’m going to need you to me as i go along 1-5

The only way to identify an intercept is as an ordered pair. true false

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