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:
it could be 23 or less
Step-by-step explanation:
8 + 15 = 23 or less than is good
The last equation is the correct one since if we multiply the slope of the given line by the slope of the line of this equation, you'll get -1, and if you substitute the coordinates of the given point in this equation, you'll get -2=3/2(-2)+1=-2 which means that this point belongs to the line of this equation
Answer:
perpendicular
Step-by-step explanation:
We can just divide 2x+14 by 2 to get the cost of one person, as the equation represents the total costs of two people.
So the equation is x+7, but it may be x+14 because you can’t split the pizza.
I hope this helps!