Laura places a ladder 82 cm away from a wall. The ladder is 285 cm long

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

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