In a castle there is enough food for 72 soldiers to last 24 days. after 4 days another 8 soldiers join them. for how many days will the remaining food last

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?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.