Capital letters that have rotational symmetry are: Z, S, H, N and O. The letters Z, S, H and N, when rotated 180 degrees clockwise or counterclockwise, will look the same after rotation completion.
Hope it helps you my dear :)
The answer would be 18 minutes, because 12 divided by 2/3 is 18 which would be 18 minutes
I think it moves 5 units to the right Im not sure tho!!
40 = 0.5r
40/0.5 = r
80 = r
just divide the number in front of the r so that you can figure it out