Answer:

Step-by-step explanation:
Given



Required
The probability of selecting 2 same colors when the first is not replaced
The total number of ball is:


This is calculated as:

So, we have:

<em>Note that: 1 is subtracted because it is a probability without replacement</em>






Answer: 20 dallors
Step-by-step explanation:
Answer:
the surface of area is 14cm to 2cm to 6cm please rate my answer