How do you know that the bowling pins are set up in parallel lines?

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Which of the following statement about pascal's triangle are true?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?