Kelly averaged 292 miles on the first four days of her trip. she averaged only 220 miles on the last five days of her trip. what was the overall average number of miles driven per day?

Is the square root of 4 plus the square root of 16 rational?

Need showing work for this problem 56.25 ×25.80

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