Is 12 degrees below zero a negative quantity

Yes

Step-by-step explanation:

Because it is 12 below 0, it is a negative number.(-12)

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.