A fitness expert was doing research on football teams. He randomly selected 10 players from a college team and 10 players from a professional team. the players were weighed and the statistics are shown below

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

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2

What is the value of x in the equation 3x4y65, when y=4?