I'm giving 20 points! Please help fast! Thank you! How do you determine whether to use a percent, ratio, or rate in any given situation?

225/100 of last years cost. write each fraction as a decimal and as a percent

What is 96 divided by 7,488mark as brainliest

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