The probability that the card is a football card is 20 out of 50 or 40%
the probability that the card is a basketball card is 10 out of 50 or 20%
The number that is not irrational is
. The correct option is the second option 
<h3>
Irrational numbers </h3>
From the question, we are to determine which of the given options is not irrational
Irrational numbers are the set of real numbers that cannot be expressed in the form of a fraction, p/q, where p and q are integers.
is a repeating decimal and it can be expressed as a fraction

∴
is not an irrational number. It is a rational number
The other options cannot the expressed as a fraction.
Hence, the number that is not irrational is
. The correct option is the second option 
Learn more on Irrational numbers here: brainly.com/question/11919233
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The Answer is A. Milligram.
Given:
The function is:

The graphs of functions
and
.
To find:
The function
.
Solution:
We have,

The function
is vertically compresses to get the graph of the function
. So, the function
is:

...(i)
From the given graph it is clear that the graph of the function
passes through the point (3,3). So, putting
and
in the above function, we get




Putting
in (i), we get
Therefore, the correct option is D.