I will GIVE THE BRAINIEST Without simplifying, select all the expressions that represent a rational number.

The first and the fourth one.

The ones that could be rationalized are automatically the ones you should pick.

f is the midpoint of

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.