PLEASE HELP DUE TODAY! ANSWER ALL NO BITLY!

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

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0