Select all of the ratios that are equivalent to 1:5 2/9
2/10
6:30
5 to 20
3/20
8 to 40

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

How does reflecting or rotating a figure change the interior angles of the figure?

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?