Ra. te me everyone 1/10​

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?