Special right triangles
Help me find s

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

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

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose