The formula is a permutation in which n represents the sample points in the set, while r represents the number of sample points in each permutation.
Answer:
C
Step-by-step explanation:
i think
The surface is the sun of all the sides. With the information provide I can only work out the volume, which is 420cm^3
Answer:
1/6
Step-by-step explanation:
The total amount of people 8+4=12
there are 4/2=2 girls with glasses
the probability to chhose a girl with glasses is 2/12=1/6