Answer:
n + 3n
Step-by-step explanation:
If the unknown number is represented by n, then 3 times the unknown number is 3n.
The sum of n and 3n is written as ...
... n + 3n
_____
This can be simplified to 4n, but we believe the intent of the question is to see the sum, not the total.
Answer:
The answer is - changing historical context
Step-by-step explanation:
Longitudinal research is a research that involves studies involving the same individuals and observing them to understand the long term effects of changes in products, environment on behavior, attitude, etc.
This research can extend over a period of decades.
The answer is - changing historical context
Answer:
50 i think
Step-by-step explanation:
i don’t know at this point pls report this answer so someone else can help them
Answer:
2 acute angles and 2 obtuse angles (D)
2 pairs of parallel sides