Can anyone help me pls it is due today an artist is arranging tiles in rows to decorate a wall each new row has two fewer tiles then the row below it if the first row has 23 tiles how many tiles will be in the seventh row

What is the result of the following division?

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?

Point a is at 12, and point d is at 56. point c is midway between a and d, and point b is midway between a and c. which of these is the coordinate of b?