Which sentence uses a colon or a semicolon correctly

In my handwriting.

If u like my handwriting, dont forget to rate it.

And sorry dear.

in this alternate universe, renaissance romeo is now seventeen, an apprentice to a glass maker in venice. modern romeo is planning to go to college. what major do you think he’ll elect?

"the sandy walls seemed to collapse in on themselves"

and

"the bloodshot waters seemed to have no bottom"