Well it could be anything negative, for example maybe -34 below sea level.
Answer:
10:20
Step-by-step explanation:
because 15 is half of 30
and then 10 is half if 20
Answer:

Step-by-step explanation:
I did it on paper just now. Sorry for the sloppy handwriting, but you should be able to answer the two questions with the info I got. If you don't know what five number summary is, just google it.
Basically, arrange the list of numbers in order, and then find the minimum, 1st quartile, median, 3rd quartile, and maximum.
Answer:
28/41
Step-by-step explanation: