Isn't there a little box to the left of each item where you can put a check mark? Then scroll to the bottom of the page and hit Delete.
Answer center posts are no longer in chronological order,making it difficult to answer a question in a step by step fashion. If the thread doesn't make sense, click on the Most Kudos link, above, and select Newest First. Be sure to check for hidden comments to see if the OP has returned with valuable information that may affect the final outcome.