Use graphical approximation techniques or an equation solver to approximate the desired interest rate. An employee opens a credit union account and deposits ​$150 at the end of each month. After one​ year, the account contains ​$1806.28. What annual nominal rate compounded monthly has the account​ earned?

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