When an auctioneer decides that no one will bid any higher for the goods on sale, the bidding is closed, usually by the pounding of the auctioneer's gavel.

True

False

True

Explanation:

An auction is defined as a public sale of properties that considers bids from prospective buyers.

The highest bidder eventually makes the purchase.

The auctioneer calls for bids and when there is an unchallenged bid he pounds the gavel to indicate the item has been sold.

The auctioneer is the seller himself of am agent representing him.

At the start of the auction the seller sets a minimum price before bidding commences

what are the sentences? so we can answer the question.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.