Yes it did occur it was just a very long time ago. As the earth grew and developed the countries separated and that is why they are spread all over the world now. Hope this helps.
Answer:
-16x+14.8
Step-by-step explanation:
2(x+7)-2(9x-0.4)
2x+14-18x+0.8
-2x+14-18x+0.8
14-16x+0.8
14+0.8-16x
14.8+-16x
Answer:
The 32nd term of Arithmetic sequence is -174
Step-by-step explanation:
Given: 
We are given two term of the Arithmetic sequence.
Formula:

For 

For 

Using two equation solve for a and d



We need to find 32nd term




Hence, The 32nd term of Arithmetic sequence is -174
Answer:
<em>(IQR) interquartile range: 12 - 9 = 3</em>
Step-by-step explanation:
Median: 10
Lower quartile: 9
Upper quartile: 12
Interquartile Range: 12 - 9 = 3