X+6y=12 graphed on a coordinate plane

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Write an equation for the function that includes the points (2,100)and (3,100)

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