What are the x-intercepts of the graph of the function f(x) = x^2 + 5x − 36?

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?

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The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square