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Q25: Use a matrix approach to solve
Q56: Solve the system. <span class="ql-formula"
Q75: Solve the system by using the
Q115: A gift store is making a mixture
Q119: Use the quadratic formula to solve
Q134: The volume of a cylinder varies jointly
Q165: Solve the inequality. <span class="ql-formula"
Q177: Use the method of completing the
Q182: If V varies jointly as B and
Q282: Solve the quadratic equation by factoring and