Answer:
126.
Step-by-step explanation:
This is the number of combinations of 4 cards from 9 cards:
= 9C4
= 9! / 4! 5!.
A quick way of calculating this is
9*8*7*6
----------- = 9*2*7 = 126 combinations.
4*3*2*1
The answer to (-5 × 2) 3 = -30.
Answer:
D :3 -Your friend, Bill Cipher
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
