Answer:

Step-by-step explanation:
1 .1 ( .1 repeating) = 
Let x=0.1
Then 10x = 1.1111...
= 10 + 0.(1)
= 10+ x.
So, 9x=10 and lastly, x= 
Hope this will help u...✌☝☝
Answer:
4
Step-by-step explanation:
What are the lower and upper quartiles of this data 122,164,71,98,84,147,114,111,98,85,104,71,77
RSB [31]
Lower quartile = 80.5
Upper quartile = 118