A small accounting firm has 4 accountants who each earn a different salary between $50,000 and $60,000. For extra help during tax season, they hire a 5th accountant who earns $10,000 How will hiring the 5th accountant affect the mean and median?
A: Both the mean and median will decrease, but the median will decrease by more than the mean.
B: Both the mean and median will decrease, but the mean will decrease by more than the median.
C: The mean will decrease, and the median will increase.
D: The median will decrease, and the mean will increase.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22