Step-by-step explanation:
Hmm I saw this question before its C
Answer:
x=7
Step-by-step explanation:
To solve for x, you have to multiply the terms in parenthesis by 3. Then you add 6 to each side of the equal sign. Then you divide each side of the equal sign by 3 to get x=7

Answer:
The answer could be anything, but if it's an arithmetical sequence, then it's 14.
Step-by-step explanation:
I'm assuming that the added numbers always stay the same, meaning it's linear. If you add 5 to 9, you get 14. If you add 5 again, you get 19. Another way of doing this is (19-9)/2 = 5, then 9+5=14.
Answer: For more Information and insight.
Step-by-step explanation:
The use of historical and comparative existing data is important to students because it gives them an insight on what they are working on.
Previous datas contains certain informations from which new observations and assessments can be made.
Students uses existing data to compare and contrast different factors like if there was a rise or fall in the system they are working on, the also check if an major changes occurred or things were significantly the same from the past to present.