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Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?