I’m very sorry but I don’t understand
Step-by-step explanation:
Just subsitute 8 for n
1/2(8)^2-1/2(8)
1/2(64)-4
32-4
28
D
P(B|A) = P(B), based on your description, it does not indicate any relationship between A and B, so P(B) is irrelevant with P(A)
You put the x=6
6³-4(6)²-12(6)+15=15
Answer:
4
hours
Step-by-step explanation:
he was gone for 5
hours, he spent
an hour driving.
5
-
= 4
hours at work.