Answer:
its a variety of selection techniques in which sample members are selected by chance
Step-by-step explanation:
It is 391 because 1+0=1, 9+0=9, and 1+2=3
Answer:
-6 - (-8) = 2.
Your number line might have a bubble at 2. Or it may show movement 8 units to the right of -6. Whatever it is, you should end up at the value of 2.
Step-by-step explanation:
Looks like the graph is decreasing to me
7 and 8 because the square root is 7.874
