In positively skewed distributions, the mean is usually greater than the median, which is always greater than the mode
2 1/2 is in mixed fraction. So let's first make it into improper fraction.
(2*2 + 1) / 2 = 5/2
5/2 of 7.25 = (5*7.25) / 2 = 18.125
in short, 18.125 is the answer
Mrs. Wang is 55 years old and her daughter is 18 years old.
Irrational roots occurs with its conjugate.
Therefore, -√3 is also root of the function.
The answer is -√3.
