In this question,We have to group the given expression to get 5 as the final answer .

Here we put 5 +20 in parenthesis, that is

And we do the required operations, that is

And we get 5.
Data that is collected can be either categorical or numerical data.Categorical variables represent types of data which may be divided into groups.
December is the twelfth and last month of the year .The word December is a categorical discrete data which is also known as qualitative, because it is a name instead of a number.Among the options given December is a month of a year.
The month of the year is December is a categorical data .
Answer:
They are both correct because, they both used the properties of equality.
Step-by-step explanation:
D or the last dot how ever you wanna describe it
X + y = 2 —> y = 2 - x
insert to first equation
2-x=x^2-3x-6
x^2 - 3x - 6 - 2 + x = 0
x^2 - 2x - 8 = 0
(x-4)(x+2) = 0
x = 4 or x = -2