Answer:
It depends on the structure of the sentence.
Explanation:
This will be shown as grammatical mistake because both the spellings are correct. If we write the word weather instead of the whether, Ms word shows the grammatical mistake. This is because, if we want to write the word whether, we should use or in our sentence. Both of these words are comes together.
Example
I will take a leave whether its raining or not.
In above sentence, both whether and or comes together. If we write weather instead of whether it just show the grammatical mistake in the sentence.
Answer:
var birthday = "12/2/1978";
Explanation:
It does not create a date object named birthday because in this statement the birthday is a string which contains 12/2/1978 a date it is not date object it is a string.All other three options are correct way to create a date object.
var birthday = new Date();
creates a date object with the current date and time.
we can also pass date string in the new Date().So var birthday = new Date("12/2/1978"); is also correct.
we can also pass year,month,day in new Date() In this order only.So option fourth is also correct.
Answer:
Proved
Explanation:
Given


Required
Find out why they represent the same
To do this, we simplify either
or 
In this question, I will simplify

Apply de morgan's law

Apply distribution property

To simplify, we apply the following rules:
--- Inverse law
--- Inverse law
So, the expression becomes


Rewrite as:

From the given parameters:

This implies that:
when simplified is X or 
ISP stands for internet service provider so that's the one
Answer:
b is the right answer. she posts messages that avoid slang and text language