Answer:
8
Step-by-step explanation:
All you have to do it subtract 9 from 1 than that's it your answer.
26.270833 was not sure about the first one but the seconed one was 14
N(2n+6)-(n²-1)= 2n²+6n-n²+1=n²+6n+1
The temperature at 5 am was -3 degrees
12-15=-3
Answer:
Option b) is correct.
The completed factor of given expression is 
Step-by-step explanation:
Given expression is 
To find the completed factor for the given expression:
:
Taking the common number "2" outside to the above expression we get

Now rewritting the above expression as below
(since 16 can be written as the number 2 to the power of 4)

The above expression is of the form 
Here
and 
Therefore it becomes

The above expression is of the form 
Here
and 
Therefore it becomes
Therefore
Option b) is correct.
The completed factor of given expression is 