Answer:
The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest. The mode is the number that occurs most often in a data set.
Rounded to the nearest tenth, the square root of 149 is 12.2.
A=226.19 A=2πrh+2πr2=2·π·4·5+2·π·42≈226.19467
Answer:
1. A. 
2. F. 
3. G. 
4. A. 
Step-by-step explanation: