Last year, Jane opened an investment account with 5500 . At the end of the year, the amount in the account had increased by 7.8%. How much is this increase in dollars? How much money was in her account at the end of last year? Increase in amount: Year-end amount:

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