Answer:
x=6
Step-by-step explanation:
x+3=9
x+3-3=9-3
x=6
Step-by-step explanation:
13040000
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Answer: Her e-mail password is 
Step-by-step explanation:
You know that a part of Rivka's e-mail password is formed by the last four digits of her telephone number.
The exercise gives you the last four digits of Rivka's telephone number:

Now, in order to find the other numbers, you need to descompose
into its prime factors. Then:

Therefore, based on this, you can determine that her e-mail password is:

That's not a function.
Since a vertical line hits the graph more than once, if fails the test. (See graph below)
If it is a function, any vertical line you draw can only hit the graph once.
Answer:
its B... i think(sub2pewdiepie)
Step-by-step explanation:angle 4 is 100 degrees and 4 and 8 are corresponding