Ihave 7 hundreds blocks, 5 tens block's, and 8 one's blocks. i use my blocks to model two 3-digit numbers. what could my two numbers be?

What situation is an example of an observational study

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

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?