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Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

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?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)