Richard has $1,089.26 in his checking account at the end of the month. during the month, he withdrew $120, deposited a check for $325, and wrote one check for $425 and one check for $24.10. what was his checking account balance at the beginning of the month?

$845.16
$1,093.36
$1,333.36
$1,490.16

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