Plz answer the all the questions a, bc and d statistics are sometimes used to compare or identify authors of different works. the lenghts of the first 10 words in a book by Terry are listed with the first 10 words in a book by David. Find the MEAN and the MEDIAN. for each of the two samples and then complete the two sets of results.​

Answer this question, only if you know the answer. 30 points and brainliest!

1. what is the measure of ∠abc? what is the measure of ∠abd?

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