Answer:
For #11 it is X≥-2. For #12 it is X<-1 I think
Step-by-step explanation:
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When a population or group of something is declining, and the amount that decreases is proportional to the size of the population.
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The Mean Absolute Deviation is - 0 +0+0+1+3+8 = 24/ 6 which would = 4 that's the answer to your question .
Hope that it helps .
69.1 is already a decimal.
3 and 1 half is also known as 3.5,
3.5 x 3.5 = 12.25
in fractions that is 12 and 1 quarter