YEA OR NAH just asking

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b