Answer:
<h3><u><em>
i think</em></u> its 11.7</h3>
Step-by-step explanation:
Answer: B. 2x + 2 + x
Step-by-step explanation:
I took the quiz.
D.

Where (h, k) is the center of the circle and the radius is squared.
Probability Trees - See linked image
A good visual method for this is a probability tree.
Each set of branches represents the probabilities of on coin being removed, the second set is out of 9 as the first coin is taken and not replaced.
Multiply along the lines to work out the probability of each of the combinations.
*Even though only 'Dime Dime' is needed, it is best to do all of them as this way you are able to get all marks in an exam; you can also add up all the final values as a check to see if you are right.