The answer is 40 square m
The first one is right because the mean is the average so it has to be in between. Usually. Hoped this helped!
94% then 83% then 73% then 63%
Answer:
The solution is (-∞, 0.125) ∪ (0.18,∞)
Step-by-step explanation:
we have

This is a compound inequality
or 
Remember that

so
-----> the solution is the interval (0.18,∞)
----> the solution is the interval (-∞, 0.125)
The solution of the compound inequality is
(-∞, 0.125) ∪ (0.18,∞)