Enter the correct answer in the box. What quadratic equation could be solved to find any solutions to the system of equations?
y = -5x+6
y = x^2+ 7x - 11
Replace the values of a, b, and in the equation to formulate the correct equation.

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