The vertex form of the equation of a parabola is y= (x + 5)2 + 49. What is the standard form of the equation?
O A. y = x2 + 10x+ 74
B. y= 5x2 + 10x+ 74
c. y = x2 + 5x + 49
O D. y = x2 + 49X+ 35

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