he music teacher wants to línea up the students to form a equal number of rows and. Columns for a performance the music teacher wants 9 rowdy draw an array to show how the students will be lined up for the performance how many students wii there be?

The teacher wants to arrange the students in equal number of rows and columns.

She also wants to have 9 rows. So, there should be 9 columns so as to fulfill her requirement.

Hence, there are 9 rows and 9 columns and the number of students = 9 x 9 = 81.