Can someone me on this and explain it to me because i really don’t get it.

Which expression will have the same sum as 3_8 + 1/4?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

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?