The product of expressions or numbers is calculated by multiplying the expressions or numbers.
- The incorrect value in the table is

- The value that should have been written is

From the table (see attachment), the incorrect product is given as:

The above product is incorrect.
This is so because when -y is multiplied by 2x, the result is 
So, the correct expression is:

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The number of different combinations of these items that you can make if you choose four (4) toppings is equal to 1.
<h3>How to calculate the combinations of these items.</h3>
In order to determine the combinations of these items that this person can make, we would use this mathematical model known as combination.
Mathematically, combination is calculated by using this mathematical equation:

<u>Where:</u>
- n is the total number of items.
- r is the number of times of choosing items.
<u>Given the following data:</u>
Let us assume you'll choose four (4) toppings.
Substituting the given parameters into the formula, we have;
⁴C₄ = 4/4
⁴C₄ = 1.
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The important concept that best exemplifies what Mike values for his employees is: affirmative commitment.
<h3>What is Affective Commitment?</h3>
Affective commitment is a concept that describes the tendency of employee's to be emotionally attached to the organization they work for, most especially when they feel their personal values and priorities align with that of the organization's mission and ideals.
Thus, the important concept that best exemplifies what Mike values for his employees is: affirmative commitment.
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control group, because they are the group that is not being tested on.