The answer that I got was 27, hope it helps
1.9 is the answer. But I could be wrong though.
Answer:
176>x>42
a.because the tem cant be 176 or higher, and it cant be 42 degrees or lower.
b. you must describe the graph of inequality which will look something like this:
c.Because the temperature cannot go below 42 before it freezes, she would not have been able to conduct her research
Step-by-step explanation:
I would add 24 and 36, to make 60, then I would tack on 13 and get 73.
Not addition, since

and 0 doesn't belong to the set.
Not subtraction, since

.
It is closed under multiplication. The set appears to contain all non-zero multiples of 3.
Not division, since dividing some of the numbers results in rationals which do not belong to the set.
What other operations are you supposed to consider?