Answer:

Step-by-step explanation:

Answer:
No, 8:2 = 4:1 which is less than 5:1
Step-by-step explanation:
Answer:
(0,-2) and (1, 1)
Step-by-step explanation:
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:
