charley is 10 years old than her sister andi in 4 years charley will be twice as old as andi what are the present age of each​

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

Jim had 15 minutes to do 5 laps around his school what would his time be

Which of the following graphs could represent a cubic function?