Can images be resized when copied and pasted?
Yep, but be careful, I’ve found that sometimes it bugs out and doesn’t save the changes, so always save it and reopen it to make sure it still looks correct. Once you’ve uploaded the image, click on the select tool, click the picture, then click and drag from a corner to resize.
If you click + and select add content: Text block. you can paste (Ctrl+V also works) an image into the text box that opens, this can then be resized. (don’t have to add text either)
If you click add image and upload, the image can’t be resized as far as I am aware.