Two equations are shown equation a: y=-5x-3, equation b: y=4x+5 which statement best compares the graphs of the two equations.
both are linear
both are non linear
equation a is nonlinear and equation b is linear
equation a is linear and equation b is nonlinear

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