Three qaurters of a number is 15 work out four fifths of the number

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation

I'm confused on this could anyone me and show me what i need to do to solve it.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.