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In a certain company, 30 percent of the men and 20 percent of the women attend night school. If 40 percent of all employees are men, what percent of all the employees attend night school?

This part tests your ability to detect sequential patterns. The questions consist of a series of letters from the alphabet. You must select the letter to complete the series. Example: C, D, F, G, J, K, O, P, __ What letter would complete this list?

Factor x squared minus 9 over 3x minus 9.