Answer:
360
Step-by-step explanation:
using the definition
n
= 
where n! = n(n - 1)(n - 2)..... × 3 × 2 × 1
then
6
= 
= 
=
← cancel 2(1) on numerator / denominator
= 6 × 5 × 4 × 3
= 360
X = -1 and -1.5 so the 4th answer
Using the given points, you can write the equation as ...
Answer:
10
Step-by-step explanation:
400 - 150 = 250 so that means 250/25=10