Write the set in set-builder notation. The set of all calculus books
O A. {X | x is a calculus book}
O B. {x is a calculus book}
O c. {a calculus book}
OD. {any calculus book}

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