80 possible 2 digit passwords
5040 possible 4 digit PIN's with no repeats
can't see 7 to answer pls tell
Answer:

Step-by-step explanation:
The first thing that I noticed was that all of the terms had a common factor of
. You can therefore factor that out first:

Now, you have a quadratic equation inside the parentheses. Factoring, you find that the roots are -0.2 and 3, meaning that you can further factor this expression to be:

Hope this helps!
Answer:
Q1: 3
Q2: reflected (a)
Q3: a
Q4: false
Q5: 90°(b)
Step-by-step
srry if it's wrong cuz I dont remember some of these but I tried
Answer:
Following are the function description to the given question:
Step-by-step explanation:
In the given-question, three functions are used, that can be defined as follows:
In function 1:
This function is also known as the modulus on the absolute value function, for example:

In the given in the above graph, that is 
In function 2:
In this function, It is an algebraic function that is 
It is also a part of the quadratic polynomial function, and its value is
In function 3:
In this function, it is the cubic polynomial equation that's value is 
In the graph its value is:
Answer:
are similar
Step-by-step explanation:
simple