Help! I also need the slope and the y intercept

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Ineed i been stuck on this question since yesterday

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