Which similarity transformation could map △def to △d'e'f'? a) dilation and reflection b) dilation and translation c) rotation and dilation d) rotation and reflection answer is c

there is no question content here, but you for the free points! : d

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.