Asoccer team will sell t-shirts for a fundraiser. the company that makes the t-shirts charges $10 per shirt plus a $20 shipping fee per order. write and graph an equation in two variables that represents the total cost of ordering the shirts.

Which representation has a constant of variation of -2.5

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

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