Two hundred thirty million, three hundred forty-four thousand, nine hundred ninety-six

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b