Is 8,742 grams greater, less, or equal to 8.742 kilograms​

Which expression is equivalent to 2x^2+7x+4?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

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?