Answer:
Question A: A
Question B: C
Question C: B
Step-by-step explanation:
The Answer is 2 because 15 divided by r (5) is 3 and 3 minus 1 is 2
Probabilities are used to determine the chances of an event
The probability of event B is 0.62
The probabilities are given as:



To calculate the probability of event B, we make use of the following formula

So, we have:

Collect like terms


Hence, the probability of event B is 0.62
Read more about probabilities at:
brainly.com/question/11234923
Greetings!Simplify the Expression.
Distribute the Parenthesis.
How? Multiply the terms inside the Parenthesis by the term outside of the Parenthesis.
Combine Like Terms.

![\left[\begin{array}{ccc}8x^2-12x\end{array}\right]](https://tex.z-dn.net/?f=%20%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D8x%5E2-12x%5Cend%7Barray%7D%5Cright%5D%20)
Hope this helps.
-Benjamin