Charlene makes $10 per hour babysitting and $5 per hour gardening. she wants to make at least $80 a week, but can work no more than 12 hours a week. write and graph a system of linear equations.

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