How does the area of triangle abc compare to the area of parallelogram ghjk

Find the missing factor in exponential form 48^2=3^2 • ?

Find two rational expressions that have the difference of 2-n/n-4

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