C. Collecting data. When they are making notes on what they are examining, data and they will soon collect the data to form a conclusion.
Answer:
Most likely B. Hope this helps :)
Explanation:
The commercial economy does not include activities such as childrearing, housework, family caregiving, and other types of necessary domestic labor which are typically performed on an unpaid basis
Answer:
A
Explanation:
process of elimination. it just makes sense
<span>The psychological phenomenon that has occurred here is called group think. Group think is a phenomenon that exists when group harmony or group peace in their efforts to work together outweighs the most accurate results. Here, the results were put second to the ability of all group members to work well together. Thus, the experiment was compromised.</span>
Answer:





Explanation:
13)
---- (1)
------ (2)
Multiply equation by 5 and equation 2 by 4

------ (3)
------ (4)
Subtract equation 3 from 4



Divide both sides by -12


Substitute
in equation 1


Subtract 24 from both sides


Divide both sides by 4



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14)
---- (1)
----- (2)
Make x the subject of formula in (2)






Substitute
in (1)


Open bracket



At this point, we conclude that thee system has no solution.
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15)
--- 1
----2
Substitute
in (2)


Subtract 4 from both sides


Divide both sides by 8


Substitute
in equation 1





----------------------------------------------
16)


Add both equations



Divide both sides by 0.8


Substitute
in (1)


Subtract 2.5 from both sides


Divide both sides by 0.4




----------------------------------------------
17)


Substitute
in (1)


At this point, we conclude that thee system has no solution.