Trophies for Gunther soccer team will cost $6.25 each plus $0.15 for every word on the engraving which equation could be used to find the cost "c" of each trophy based on the number of words "w"on the engraving?

Can someone answer this question for me

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

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?