Geometry: I need help!

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

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