Answer:0.017578
Step-by-step explanation:
Given
Nine coins are flipped
So the probability of getting a tail is 
Because on flipping a coin could either yield Head or tail
so getting a tail on nine trails is 
but this tail can come on first coin or second or third ....
So there are 9 possible ways
So probability of getting a tail on flipping nine coin is 

You cannot calculate this.
Answer:
The first one is y = 8 and the second one is y = 4.
Step-by-step explanation:
You plug the numbers in for x and then solve the equations.
Answer:
B.
<h3>step by step explanation</h3>
I hope it's help
Answer:
-3/2
Step-by-step explanation:
here it goes. (-1)- (2) / (5)-(3)