PLS HELP ME FIND THE MEASURE OF THE ANGLE TY I APPRECIATE YOUR TIME& HELP <333

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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