Sandy spent half of Her allowance going to the movies. She washed the family car and earn seven dollars. What is your weekly allowance if she ended up at $12?

What expression is equivalent to (2x-1)(x-3)?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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