What separates two sides of an equation

the equal sign

Step-by-step explanation:

expression = answer

                   ^

           this splits it

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.