Is it well-planed, or well-planned?

Question

Also should there be a hyphen?

Answer 1

It should be: This is a well-planned project.

The hyphen is used when it's used as an adjective.

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Answer 2

Adding hyphens, dashes, and parentheses to the following...
The playoff games you should com-e to one--if you get the chance are always very thrilling.