Select two mixed numbers whose estimated difference is 1. justify your selection.

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

Solve the system of equations. y= 2x y= x^2 - 15

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?