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78 percent of drivers wear their seatbelts. If 160 drivers are stopped whats the probability at least 30 arent wearing their seatbelts? How is a division in a hotel different from a department in the same hotel? Why do buckyballs have delocalised electrons? When solving the system of equations 6x + 2y = -1 & -x + 10y = 5 by Cramer's rule, what are values of D, Dx, & Dy? See image for answers? Https://pbs.twimg.com/media/C5mV0z-WUAE0aU5?format=jpg&name=large?