Answer:
C) commutative
Step-by-step explanation:
Example: a x b = b x a
In each row, the 15 number of the student is arranged. For the given condition, the equal number of the student is to be arranged.
<h3>What is seating arrangement?</h3>
A seating arrangement is an arrangement shows that how the peoples are arranged so that the complete utilization is done.
The given data in the problem is;
The total no of student is 345 students
If the same number of the students are to be arranged for the given row, the following calculation is done;
The numbers of the student in each row is found as;

Hence, in each row, the 15 no of the student is arranged.
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Answer:
M
Step-by-step explanation:
M is in the middle of the alphabet, so it would be the midpoint of A-Z if they were placed on a coordinate plane.
Answer:
Look below
Step-by-step explanation:
A vertical line doesn't intercept the y-axis, therefore the equation would be x=b in which b is where the line intercepts the x-axis.