So basically i am stupid and need help figuring out how to do angles in inscribed quadrilaterals... if anyone could help me that would be great considering i am failing geometry currently :'')

Which of those sequences is a geometric sequence

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

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