What is the image of the point (9,1) after a rotation of 180 counterclockwise about the origin?

If you answer 2+2 you will get over 80 points

Yo need asap pls ! markin da brainiest too !

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?