Thuy is substituting t = 3 and t = 8 to determine if the two expressions are equivalent. 4 (6 t + 1) 24 t + 1 Which statement is true? Both expressions are equivalent to 73 when t = 3. Both expressions are equivalent to 76 when t = 3. Both expressions are equivalent to 193 when t = 8. The expressions are not equivalent.

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