Answer:
5n^2 - 3n - 8
Step-by-step explanation:
4n.5n - 4n.8 + 4.5n - 4.8
= 20n^2 - 32n + 20n - 32
= 20n^2 - 12n - 32
= 4 ( 5n^2 - 3n - 8 )
= 5n^2 - 3n - 8 [ answer ]
<h2>Answer:
</h2><h2>
Techno ∩ (European ∩ Dutch)'</h2>
Step-by-step explanation:
According to sets theory ;
Intersection ( ∩ ) - e.g (European ∩ Dutch) represents both European and
Dutch , while (European ∩ Dutch)' represents neither
European nor Dutch .
Union ( ∪ ) - e.g (European ∪ Dutch) represents either European or Dutch .
So , Techno ∩ (European ∩ Dutch)' represents set notation of techno musics that is neither European nor Dutch .
Answer:

____________________________________

Answer:
Step-by-step explanation:
12P3 = 12! / (12-3)!
= 12*11*10
= 1320.
8C7 = 8!/7! *(8-7)!
= 8.