Hellp meee brainlest in my had part 2

The unit cost one is A

Step-by-step explanation:

Because it is the only answer that the math actually adds up to

step-by-step explanation:

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.