Answer: 
Step-by-step explanation:
Given
Sample space is 
There are 8 element in sample space which indicates the outcome of tossing a coin three times
Probability of obtaining at least one head



Answer:
x= 10
Step-by-step explanation:
hay esta la respuesta:)
Answer:
-3x+3
Step-by-step explanation:
ion like workin it out but dere you go