Answer:
It is rational as a rational number is a number written in a p/q form where p and q are integers and q is not equal to 0. Ex:45/7,5/1 and 5=5/1
Answer:

Step-by-step explanation:

![r = \sqrt[3]{47.77} \\r = 3.63...](https://tex.z-dn.net/?f=r%20%3D%20%5Csqrt%5B3%5D%7B47.77%7D%20%5C%5Cr%20%3D%203.63...)

then use the common difference "d", to get the 2nd and 3rd terms
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Answer:

Step-by-step explanation:
The computation is shown below:
The numbers of possible results at the time when we drawing in two tries is 9
i.e. shown below:
11, 12, 13, 21, 22, 23, 31, 32, 33
Now the probability is

Answer:
the first one.
Step-by-step explanation: