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:
6
Step-by-step explanation:
1/2 cup = 1 loaf of bread
1 cup = 2 loaves of bread
2 cup = 4 loaves of bread
3 cups = 6 loaves of bread
sorry i didn't know how to explain it in words
Answer: it is rational
Step-by-step explanation:
So for this you need the two solutions to be x= -9 and x=3 then move over the numbers and put in brackets (x+9)(x-3) then multiply together x^2+9x-3x-27 then combine like terms to get x^2+6-27