What are the elements in this set? d={16,19,21} , e={16,18,19,20}

Aline passes through 3,7 and 6,9 what equation represents the line

What is the graph of the absolute value equation ? y=|x|-5

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?