A church has 9 bells in its bell tower. Before each church service 5 bells are rung in sequence. No bell is rung more than once. How many sequences are there?
A) 15,120 B) 3024 C) 126 D) 6048
Question 2
A medical salesperson is to visit the various members of the staff at a clinic. He must see 8 doctors, 6 physicians assistants, 12 nurses, 3 medical technologists, and 3 receptionists.
How many different ways can these people be visited by the salesperson if the order is not important? A) 5184 B) 32 C) 25,920 D) 6,220,800
Post–Main-Sequence Evolution
Bell Labs Horn Antenna
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Stethoscope with both a bell and flat disc amplifier.
Linesman’s pliers are very useful because they can help perform many automotive service jobs.
Stethoscope with both a bell-shaped and flat-disc amplifier