Answer:
10k.
Step-by-step explanation:
1) if for the 1st position can be used 0-9 digits (10 digits), for the 2d - 0-9 digits, for the 3d - 0-9 digits and for the 4th - 0-9 digits, then
2) the required number of pwd is: 10*10*10*10=10⁴=10000.
16 because 10+8=18 and 18-2=16
Answer:
Choice a: 
Step-by-step explanation:
All you have to do on this one is add the 7 on both sides.

So the answer is anything greater than 5.
Answer:
The third one (y=x^3) is a function because it passes the vertical line test.
Step-by-step explanation:
Hi there!
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I believe your answer is:
Scatterplot B
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Here’s why:
- A scatterplot with a correlation coefficient of 0 would show no relationship between the variables at all. It will not form any line at any strength.
- Scatterplot B best resembles this. Notice how the plots do not resemble a line; they are just 'scattered' all over.
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I have attached a picture for reference.
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Hope this helps you. I apologize if it’s incorrect.