Urgent! will give

1) what is the value of 8! ?

a) 8
b) 64
c) 512
d) 40,320

2) what is the value of 5p5?

a) 5
b) 25
c) 120
d) 125

3) what is the value of 8p4?

a) 40,320
b) 1,680
c) 32
d) 24

4) what is the value of 7p7?

a) 1
b) 14
c) 49
d) 5,040

5) four out of nine performers will be chosen to in a row on stage. how many ways can the 4 performers stand in a row?

a) 362,880
b) 347,760
c) 15,120
d) 3,024