B not quiet sure but if anything try again : )
Answer:
1
Step-by-step explanation:
Using the definition
n
= 
where n! = n(n - 1)(n - 2) × 3 × 2 × 1
and 0! = 1
3
=
= 
=
= 1
Answer:
13 units
Step-by-step explanation:
Distance formula: 
Simply plug in your variables




d = 13
Answer:
d?
Step-by-step explanation:
Jy has hiked 17km
He is 2km short of being half of the way done with hicking
Let the total distance he hiked be xkm
Then 1/2x = 17 + 2km
1/2x = 19km
x = 19 × 2 = 38km
The total distance he covered was 38km.