3 divided by (4 + n). Hope it helps! :)
Answer:
480,700
Step-by-step explanation:
C(25,7)
25!/(7!*(25-7)!)
15511210043330985984000000/(6402373705728000*5040)
480700
She can expect 70 to be ads since there is 10 times more emails so 7 times 10 is 70 so 70 ads
Answer:
irrational, not a perfect square.
Step-by-step explanation:
