(Please help me answer all the questions below!)

The matrices show the enrollment of boys and girls on the basketball, lacrosse, and soccer teams in two towns.

A: If we let matrix A be the matrix for Town A, what is the element
a21, and what does it represent?
B: If we let matrix B be the matrix for Town B, what is the address of the element that represents the number of girls enrolled in soccer in Town B?
C:Draw the result of the following below:
Matrix A - Matrix B
D:
Name the matrix you found in the previous problem matrix C. What is element
c 12, and what information does it tell you about the number of girls enrolled in basketball in Town B compared with Town A?