The answer is C
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Answer:
b. the top row of a table that shows titles for the cells below
Explanation:
A header row is the first row of a given table that shows titles of the cells below it. In many cases, the header row has different styles from the other rows in the table. A header row can be found in, among others, both Microsoft's Excel and Word applications.
In the attached figure, the first row with a darker shade of background color is the header row for the table.
Answer:
destruction
Explanation:
destruction is also the property of information in which unintended users sabotage the information so that it becomes useless for both the owner and the user as well.
Answer:

Explanation:
Given
--- starting index
Required
Change the starting index to 
We have:

To change the starting index to k, we simply rewrite as:

<em>In this case; k=1; so, the starting index will be: </em>
<em />