RC 09 Dat help!

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myshinyteethandme

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hey!! Help with these pretty please!!!
#31 says which of the following is the length of each side of a regular hexagon inscribed in a circle with a diameter of 12?

A. 16
B. 12
C. 3
D. 3 radical 3
E. 4 radical 3

19. A person is offered a job with a first year salary of 30,000. Each succeeding year she receives a 10 percent cost of living increase. In addition, each year she is offered up to a 2,000 merit increase. Which of the following will be the maximum amount in dollars she earns during the third year?

A. 37,400
B. 38,500
C. 40,000
D. 40,500
E. 60,000

** is this 2,000 merit increase added each year??

If any of you have the test and want to explain 14 that would be great too.
 
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