Combinations of 7 taken 4 at a time.
C (7,4) = 7! /[ 4!(3!)]
7 x 6 x 5 = 210
210 divided by 3 = 70
70 divided by 2 = 35
Answer:
c
Step-by-step explanation:
Answer:
48 (i might be wrong)
Step-by-step explanation:
180-66-66=48
Answer:
-3
Step-by-step explanation: