Does anyone know the answer to this question

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

What rotation was applied to triangle def to create d’e’f’?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect