BRAINBOLT

It is impossible. There is no way every scientist can sit next to a mathematician. 

Look at the imahe. 

The value of N is $124$

The value of N is $212$

You are missing values. 

How many replublicans are there?

How many democrats are there?

The value of N is $37$

The answer is (-0.6, 11.8)

The answer is $10 \cdot 4 \cdot 720 =28,800$

The answer is $a \equiv 5 \pmod{7}$, and we have

$a + 1 \equiv 5+1 \pmod{7}$

So 6 is our answer. 

The answer is $113$